설명

EP Double P.C.D Wheel — Universal Dual Pitch Circle Diameter Fitment for Passenger Cars and SUVs

1. Complete Technical Specifications — EP Double P.C.D Wheel Range

The table below documents the full EP Double Pitch Circle Wheel product range including all part numbers, rim dimensions, bolt configurations, PCD combinations, center hole diameters, offset values, and vent hole counts. All measurements are in millimeters unless otherwise stated. Scroll horizontally on mobile to view all columns.

부품 번호	크기	볼트 수량	PCD(mm)	Center Hole Dia. (mm)	오프셋(mm)	Vent Hole
JG08J35	14×5.5	4	108	72	38	12
JG08J36	14×5.5	4	100 / 114.3	72	38	12
JG08J37	14×5.5	5	100 / 115	72	38	12
JG08J38	14×5.5	5	108 / 114.3	72	38	12
JG15JJ70	14×5.5	4	108	72	35	10
JG15JJ71	15×6	4	100 / 114.3	72	35	10
JG15JJ72	15×6	5	100 / 115	72	35	10
JG15JJ73	15×6	5	108 / 114.3	72	35	10
JG21J05	16×6	5	100 / 115	72	35	10
JG21J06	16×6	5	108 / 114.3	72	35	10

Note: For dual PCD entries (e.g. 100/114.3), only the bolt circle matching the vehicle’s hub is populated with studs and nuts during installation. Always verify both the PCD and the center hole bore against the vehicle workshop manual before ordering double pcd wheels for sale for fitment in Colombia.

2. Five Key Advantages of EP Double P.C.D Wheel

Universal Cross-Vehicle Fitment

The defining strength of the Double P.C.D Wheel lies in its ability to fit two different bolt circle configurations simultaneously. A single EP Double P.C.D Wheel in the 100/114.3 configuration, for example, fits Toyota Corolla and Yaris models alongside Nissan Sentra and Chevrolet Cruze, all without any modification. For Colombian automotive workshops maintaining wheel inventory across diverse vehicle types, this consolidation reduces the number of distinct SKUs required to serve a broad customer base and lowers the working capital tied up in slow-moving single-pattern wheels that rarely exactly match demand.

Precision CNC-Machined Bolt Holes for Safety-Critical Fitment

Each bolt hole in the dual PCD wheel is positioned using CNC-controlled punching and drilling processes that achieve positional tolerance within ±0.1 mm of the nominal PCD radius. This level of precision is critical in a double pcd wheel fitment because even minor positional error in one bolt circle can cause interference with the alternate circle, preventing correct nut seating or inducing vibration under load. The EP series holds both PCD patterns to tight dimensional specifications verified by coordinate measuring machine inspection, ensuring that when mounted, the wheel seats concentrically on the hub centering bore and distributes bolt clamp load evenly around the circle.

Consistent 72 mm Center Hole for Reliable Hub Centering

Across all ten part numbers in the EP double pcd wheel range, the center hole diameter is standardized at 72 mm. This figure covers the hub spigot diameter of a wide range of Japanese and Korean passenger car platforms, enabling hub-centric fitment that ensures wheel rotation is centered on the hub bore rather than relying solely on the wheel nuts for centering. Hub-centric fitment prevents the low-frequency vibration at highway speeds that results from wheel-centric mounting on hubs with smaller spigots, providing a smoother driving experience and reducing the fatigue loading on wheel studs throughout the wheel’s service life.

Roll-Formed Rim Construction with Weight Efficiency

The rim sections of EP double pcd wheels are produced using rim flow forming technology, a process that applies forming rolls to a pre-spun rim blank to achieve progressive wall thinning while preserving full strength at the bead seat flanges. This technique reduces rim weight by up to fifteen percent compared to conventional pressing methods while maintaining the structural stiffness required for safe tire bead retention at the inflation pressures typical of passenger and SUV tires. In the 14-inch to 16-inch size range addressed by this product, weight reduction translates directly to reduced unsprung mass — a handling quality benefit relevant to Colombian buyers of car and SUV Double P.C.D Wheel who prioritize ride quality on mixed road surfaces.

Corrosion-Resistant Multi-Stage Coating System

Steel wheels operating in Colombia’s varied climate zones — from the salt air of the Pacific and Caribbean coasts to the high-humidity of the Andean cloud forest belt — are exposed to corrosion conditions that shorten the service life of inadequately protected surfaces. The EP-Double P.C.D Wheel undergoes a multi-stage surface treatment sequence: mechanical shot blasting for surface preparation, zinc phosphate conversion coating for primer adhesion, followed by electrostatic powder coating that forms a continuous, pinhole-free film over the entire wheel surface including recesses around bolt holes and ventilation holes where moisture tends to collect. Salt spray test performance meets a minimum five hundred hour threshold before base metal exposure, substantially exceeding uncoated or single-coat alternatives available in the Colombian aftermarket.

3. Working Principle: How Double Pitch Circle Diameter Geometry Functions

Understanding how to calculate pitch circle diameter of a gear or wheel begins with recognizing that the PCD is the diameter of an imaginary circle drawn through the center of all bolt holes on a given bolt circle. For a 4-bolt wheel on a 100 mm PCD, four holes are spaced ninety degrees apart, each at fifty millimeters from the wheel center. For a 5-bolt 114.3 mm PCD pattern, five holes sit at seventy-two degrees from each other on a 57.15 mm radius. The Double P.C.D Wheel superimposes both sets of holes within the same disc, with careful engineering ensuring that no hole from one pattern interferes physically with a hole from the other, and that the structural material between all holes maintains adequate load-bearing cross-section.

The disc manufacturing process begins with blanking steel sheet into circular forms, then progressive die pressing to create the spoke geometry and bolt hole area. In the EP double pcd wheel, bolt holes are created by precision CNC punching rather than simple press punching alone, allowing the two-circle pattern to be positioned with the accuracy required to ensure correct fitment on both intended PCDs. The center hole is machined to a diameter of 72 mm across all EP variants, providing the hub-centric register that centers the wheel on the vehicle’s hub pilot — a feature that some lower-cost Double P.C.D Wheel omit, relying instead on the bolt circle alone for centering. Hub centering through the center bore eliminates the minor eccentricity that can cause vibration at highway speeds, a noticeable quality differentiator particularly relevant on Colombia’s improved highway infrastructure where sustained speeds are common.

In service, the double pitch circle diameter wheel carries all forces — vertical load from vehicle weight, lateral loads from cornering, and longitudinal loads from braking and traction — through the bolt circle that is actively populated with wheel nuts. The inactive bolt circle’s holes remain empty. This means the structural analysis of the wheel under service load treats only the active PCD as the load path, and the EP disc geometry is validated for the maximum rated loads of the vehicles in its intended fitment range. Ventilation holes in the disc serve both mass reduction and brake cooling functions — the twelve-hole configuration on 14-inch variants and ten-hole configuration on 15-inch and 16-inch models allow airflow over the brake disc and drum, reducing brake component temperatures during the sustained braking required on Colombia’s mountain descent routes.

4. Materials and Surface Engineering of Double P.C.D Wheel

The disc section of the EP Double P.C.D Wheel uses high-strength low-alloy steel selected for its combination of yield strength, formability under cold pressing, and fatigue resistance under the cyclic loading that wheel discs experience over their operational life. Yield strength in the range of three hundred fifty to four hundred fifty MPa provides resistance to permanent deformation at overload conditions — the type of single-event loading that can occur when a vehicle drops into a pothole or mounts a curb — while the material’s elongation of approximately twenty-four percent before fracture ensures that deformation is visible and gradual rather than sudden and catastrophic. This material characteristic is particularly important for the double pcd disc geometry, which includes more holes than a single-PCD disc and must maintain adequate material bridges between all hole positions throughout the rated service life.

Rim material in the 14-inch to 16-inch EP range uses a rim steel grade optimized for roll forming, with controlled microstructure that maintains ductility during the rim flow forming step without introducing cracks or surface discontinuities at the bead seat flanges. The bead seat and rim flange geometry is formed to precise tolerances that ensure correct engagement with the tire bead during mounting and inflation. Consistent bead seat diameter is critical for tubeless tire sealing — an irregular or out-of-round bead seat allows air migration under the bead that eventually results in slow leaks or, at high speed, sudden deflation. All EP-Double P.C.D Wheel are manufactured as tubeless-ready, with bead seat surface finish and profile conforming to ETRTO (European Tyre and Rim Technical Organisation) standards referenced throughout the Colombian and South American tire fitment industry.

Surface protection begins with mechanical shot blasting that removes mill scale and surface oxides from the steel substrate, creating a uniform surface anchor profile measured in micrometers that promotes mechanical adhesion of subsequent coating layers. Zinc phosphate conversion coating is applied by chemical immersion, creating a crystalline layer that passivates the steel surface and serves as a corrosion inhibitor beneath the paint layers. The topcoat — typically a silver or white polyester powder coat for the EP standard range — is applied by electrostatic spraying and cured at elevated temperature to form a cross-linked film that is significantly harder and more impact-resistant than liquid paint. The resulting total dry film thickness of eighty to one hundred micrometers across all surfaces provides durable protection against the road salt, acid rain, and high-humidity conditions encountered in Colombian urban and coastal environments.

5. Application Scenarios of Double P.C.D Wheel

Automotive Wheel Dealers and Distributors

For wheel dealers operating in Bogotá, Medellín, and Cali who stock passenger and SUV Double P.C.D Wheel for walk-in retail and workshop supply, the EP Double P.C.D Wheel range allows a dramatically reduced inventory to cover the majority of the compact and mid-size car market. A single SKU in the 15×6, 5-bolt 100/114.3 configuration serves Toyota, Nissan, Chevrolet, and Renault models with a single product. Fewer stocked SKUs mean lower inventory investment, simpler storage requirements, and fewer instances of an item being out of stock — operational advantages that directly improve customer service levels and reduce working capital tied up in unsold wheel inventory.

Vehicle Rental and Taxi Fleet Operations

Rental car companies and taxi fleet operators in Colombia often run mixed brand fleets sourced from various OEM suppliers across different model years. Maintaining a stock of spare double pitch circle diameter wheels that fit across multiple vehicle models in the fleet reduces the number of wheel sizes and patterns that workshop managers must track and procure. When a vehicle in the fleet suffers wheel damage, a compatible spare can be sourced from a smaller shared pool rather than requiring a brand-specific item. Fleet procurement managers can also simplify supplier relationships by sourcing a standard double pcd wheel for the majority of their compact and sedan vehicles from a single product line.

Individual Vehicle Owners Upgrading from OEM Steel Wheels

Many Colombian compact car owners replace worn or damaged OEM steel wheels with aftermarket alternatives, and the dual PCD fitment resolves a frequent fitment uncertainty: whether a given aftermarket wheel from stock matches the buyer’s specific hub configuration. The EP car double pcd wheel eliminates this question for vehicles where either of the two encoded PCD patterns applies. The 14-inch to 16-inch size range within the EP catalog corresponds directly to the factory wheel sizes of the most popular passenger vehicles sold in Colombia’s compact car segment, making direct dimension-matched replacement straightforward without custom ordering.

SUV and Crossover Vehicle Applications

The growth of compact SUV and crossover ownership in Colombia’s urban and peri-urban markets has created demand for the 16-inch double pcd wheel configurations that fit popular models in this category. The JG21J05 and JG21J06 in 16×6 size with five-bolt dual PCD options serve compact crossovers from multiple brands operating the 100/115 and 108/114.3 bolt patterns respectively. For Colombian SUV owners seeking size double pcd wheel options that accommodate their driving use across both urban streets and unpaved rural roads, the EP 16-inch range provides structural durability appropriate for the heavier vehicle weights of the SUV segment while maintaining the dual-pattern fitment flexibility.

Automotive Spare Parts Export and Regional Distribution

Colombia serves as a regional hub for automotive parts distribution to neighboring Ecuador, Venezuela, and Panama. Spare parts exporters and re-exporters benefit significantly from the dual PCD wheel format because a single product covers vehicle populations across multiple countries with different dominant OEM brands. A container of EP Double P.C.D Wheel for sale in the 15×6 100/114.3 configuration sells into multiple destination markets without the need to pre-sort by vehicle brand or stagger production orders by national market. This logistics efficiency reduces cost and complexity for regional distributors while keeping stock availability high for downstream customers across the Andean and Central American trade corridors.

6. Regulatory Standards and Compliance Requirements of Double P.C.D Wheel

콜롬비아: The Ministry of Transport enforces vehicle safety through the periodic technical inspection system governed by Resolución 3500 de 2005 and its subsequent updates. Wheel condition forms part of the inspection checklist — inspectors assess for cracks, excessive corrosion penetrating to base metal, deformation causing visible runout, and incorrect fitment. Wheels that do not conform to the vehicle’s original PCD specification require documentation of compatibility for inspection acceptance. The dual PCD concept is accepted when the correct bolt circle is properly populated and the wheel center hole matches the hub bore, but fitment errors resulting from incorrect PCD population can lead to inspection failure and, more critically, to wheel loosening in service. Procurement documentation from the EP series includes dimensional confirmation that supports any compliance query.

유럽 연합: ECE Regulation No. 124 governs replacement wheels for passenger vehicles in European markets, establishing performance requirements including bending fatigue, radial fatigue, and impact testing. Wheels for use on vehicles type-approved in the EU must demonstrate compliance through these test protocols. The dual PCD wheel concept is accommodated within this framework provided the populated bolt circle matches the vehicle’s homologated specification. ETRTO standards define rim dimensions and bead seat geometry for tubeless passenger wheels, which the EP series follows as the international reference for rim construction.

미국: The Department of Transportation (DOT) and the Tire and Rim Association (TRA) set standards for rim dimensions and load ratings for passenger vehicle wheels sold in US markets. FMVSS 110 and 120 govern tire and rim selection, requiring that rim dimensions appear in the TRA yearbook as approved for the tire sizes being fitted. Double P.C.D Wheel must be listed under each bolt pattern configuration for which they are sold. US state vehicle inspection programs may require confirmation that installed wheels match the vehicle’s registered specifications.

Japan: Japan’s Road Transport Vehicle Act (Doro Unso Sharyoho) and its associated safety standards specify wheel performance requirements for passenger vehicles. JIS D 4218 covers rim dimensions, and vehicle inspection (Shaken) includes wheel condition assessment. The dual PCD concept is used in Japan’s aftermarket sector, with fitment confirmed through vehicle-specific compatibility documentation. Japanese-market compact cars, many of which are imported into Colombia, typically specify 14-inch and 15-inch wheels in the 100 or 114.3 PCD range — patterns directly served by the EP-Double P.C.D Wheel product line.

7. About Our Wheel Manufacturing Expertise

Our wheel production capability encompasses the full spectrum from passenger car to commercial vehicle wheel categories, with the Double P.C.D Wheel series representing one of our most technically demanding passenger wheel product lines. The dual bolt circle requires higher precision in hole positioning than single-PCD wheels, and our CNC-controlled punching and drilling processes are verified against coordinate measuring machine standards to ensure both pitch circles meet their respective tolerance requirements.

작업장

8. Related Products: Complete Wheel System Compatibility

The EP Double P.C.D Wheel performs as part of a broader wheel and axle system. Optimal fitment and service life depend not only on the wheel itself but on the quality and compatibility of the hub, bearing, and related components to which it mounts. Our product range extends to the key items that interact with the wheel at the vehicle interface, enabling one-source procurement for complete passenger vehicle wheel system assemblies.

Wheel Hubs for Passenger Vehicles

The wheel hub defines the spigot diameter and bolt circle that the double pcd wheel mounts onto, making hub specification the starting point for any wheel selection. Our wheel hub range for passenger vehicle applications is dimensioned to accept the EP double pcd wheel center hole diameter and corresponds to the PCD patterns available in the dual-circle product line. Sourcing both wheel and hub from the same supplier ensures dimensional compatibility at the hub-wheel interface and provides a single point of contact for technical support when fitment queries arise during installation.

자동변속기 부품 제품 - 휠 허브 유닛

Trailer Axle Assemblies

For light trailer and utility trailer applications where passenger-size wheels in the 14-inch to 16-inch range are specified, our trailer axle assemblies are engineered with hub configurations compatible with the EP double pcd wheel center hole and bolt pattern specifications. This compatibility enables builders and rebuilders of light trailers in Colombia to source both axle and wheel from a coordinated product range, simplifying the engineering verification that both components will interface correctly under the trailer’s rated load. Our one-stop supply approach reduces procurement complexity and supports faster project completion.

자동변속기 부품 제품 EP-EB02 후륜 액슬 어셈블리

Frequently Asked Questions — EP Double P.C.D Wheel

Q1: How should I maintain my double pcd steel wheels to maximize service life in Colombia’s diverse climate conditions from coastal to Andean environments?

A1: Routine maintenance for EP double pcd steel wheels involves periodic washing to remove road contamination including mud, brake dust, and road salt — particularly important for vehicles operating near Barranquilla or Cartagena where salt-air exposure accelerates corrosion. Any chip or scratch in the coating that exposes bare steel should be touched up with compatible wheel touch-up paint promptly before the exposed area develops rust that undermines adjacent coating. Wheel nuts should be torqued to the vehicle manufacturer’s specification at each tire change and rechecked after the first one hundred kilometers of driving following any wheel removal — the critical period during which initial settling of the wheel-to-hub contact surfaces can cause slight torque reduction. Wheels should also be inspected for cracks around the bolt holes and at the disc-to-rim junction during tire changes, with any cracked wheel removed from service immediately regardless of crack size.

Q2: How do I correctly identify which Double P.C.D Wheel pattern to use on my vehicle when installing a double pcd wheel fitment in Bogotá or Medellín?

A2: The simplest method is to look up your vehicle’s bolt pattern specification in the owner’s manual or on a vehicle-specific compatibility database. The bolt pattern is typically listed as a number-by-number format, such as 4×100 (4 bolts on 100 mm PCD) or 5×114.3. When installing the double pcd wheel, you use only the set of holes matching your vehicle’s specification and leave the alternate set empty. Wheel nuts are torqued only on the correct bolt circle. Attempting to populate both circles simultaneously would be incorrect and unsafe — the wheel is designed and rated for use with one active bolt circle at a time.

Q3: Which double pcd wheel size is the right fit for Toyota Corolla and Nissan Sentra models commonly used in Colombian taxi and ride-share fleets?

A3: Both the Toyota Corolla and Nissan Sentra in their widely operated generation variants commonly use 5-bolt patterns, with Corolla typically on 114.3 mm PCD and some Sentra configurations also on 114.3 mm. A 15×6 five-bolt 100/114.3 EP wheel such as JG15JJ71 covers these platforms within a single SKU. However, exact fitment depends on the specific model year and trim level — some regional variants differ from the published mainstream specification. Confirming through the vehicle workshop manual or a verified fitment database before ordering is always the recommended practice for fleet procurement managers sourcing double pcd wheels nearby or for bulk fleet standardization.

Q4: How does the center hole diameter of 72 mm on all EP double pcd wheels affect fitment safety and vibration performance at highway speeds?

A4: The 72 mm center hole in the EP double pcd wheel is designed to slide over vehicle hub spigots in the 67 mm to 72 mm range that are common on Japanese and Korean passenger vehicles. When the center hole closely matches the hub spigot — hub-centric fitment — the wheel rotation axis is centered on the vehicle’s hub rather than relying on the bolt circle alone. Hub-centric fitment eliminates the slight eccentricity that occurs in wheel-centric mounting, which manifests as a low-frequency vibration at highway speeds. On Colombia’s improved road network where highway cruising between cities is common, this vibration difference is noticeable to drivers and affects their perception of wheel quality and vehicle refinement.

Q5. What is the wheel offset value on EP double pitch circle diameter wheels and how does it affect tire clearance on Colombian compact cars?

A5: The EP double pcd wheel range offers two offset values: 38 mm for the 14×5.5 variants (JG08J35 through JG08J38) and 35 mm for the 15×6 and 16×6 variants. Offset is the distance from the wheel’s mounting face to the rim centerline — higher positive offset positions the tire inward relative to the hub, while lower positive offset moves it outward. The 35 mm to 38 mm range is characteristic of front-wheel-drive compact car platforms where the wheel needs to sit within the wheel arch without fouling the suspension strut or brake caliper. Fitting a wheel with a significantly different offset from the vehicle’s specification can cause tire rubbing against the suspension components or inner wheel arch at full steering lock — a particularly relevant check for Colombian urban driving where tight maneuvers in congested city centers are common.

Q6: How do dual pcd wheels compare in cost to buying two sets of single-PCD wheels when managing a mixed-brand fleet in Colombia?

A6: The dual pcd wheel typically carries a modest per-unit premium over an equivalent single-PCD steel wheel, reflecting the additional hole machining operations and the precision required to position two bolt circles accurately. However, when viewed from a fleet total cost perspective, the dual PCD approach reduces the number of distinct SKUs a fleet manager must purchase, store, track, and reorder — a simplification that generates administrative and inventory carrying cost savings. Additionally, when a vehicle is retired from the fleet, its dual PCD wheels are immediately transferable to other fleet vehicles with a different PCD without requiring a new purchase, extending the economic life of the wheel investment across multiple vehicle generations and brands.

Q7: When is it appropriate to specify a 16-inch size double P.C.D wheel versus a 14-inch or 15-inch option for Colombian SUV and compact crossover applications?

A8: Rim diameter selection follows the original equipment specification for the vehicle rather than personal preference, as tire size must match the speedometer calibration and maintain adequate clearance within the wheel arch. The 16-inch EP variants serve compact SUVs and crossovers that left the factory on 16-inch wheels — typically those with original tire sizes in the 205/55 R16 or 215/60 R16 range. Fitting a 14-inch or 15-inch wheel on a vehicle specified for 16-inch would require a tire with a substantially taller sidewall to maintain the same overall rolling diameter, which may cause clearance issues and always requires recalibration of speedometer readings. Confirming the OEM rim diameter from the vehicle placard or workshop manual before specifying the ep double pcd wheel size is strongly recommended.

편집자: PXY

EP-Double P.C.D Wheel-Universal Dual Pitch Circle Diameter Fitment for Passenger Cars

설명