Heavy Duty 520xr 525xr 530h X-Ring Motorcycle Drive Chain

• Customization: Available
• After-sales Service: 24/7 Online Support
• Warranty: 1 Year
• Model NO.: 520XR / 525XR / 530H XR
• Type: Chain
• Material: Alloy Steel
• Certification: ISO9001：2001, CCC, SONCAP, CE, SGS
• Number of Row: Single Row
• Surface Treatment: Zinc Plated, Chrom Plated, Sand Blasting, Dull Polish, Polishing, Gold Coated, Copper Coated
• Design: Standard or Customized
• Pakgaing: Colored Box and Carton Cases
• Colors: Gold, Black, Natural, Blue, Red, Custom
• Usage: Motorcycle Transmission & Drive System
• Services: OEM / ODM / Custom Laser Logo
• Seal Type: X-Ring (Low Friction & Long Life)
• Chain Pitch: 15.875mm (5/8")
• Fitment: Dirt Bike, Racing Motorcycle, Street Bike, ATV
• Transport Package: Individual Color Box + Standard Export Carton
• Specification: 100L, 102L, 104L, 108L, 110L, 116L, 120L, 128L
• Trademark: SMCC / OEM / Neutral
• Origin: China
• HS Code: 7315119000
• Production Capacity: 100000 Meters Per Year
• Package Size: 50.00cm * 40.00cm * 30.00cm
• Package Gross Weight: 2000.000kg

Product Description

Product Description

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1. Product Definition 
The High-Performance X-Ring Motorcycle Drive Chain is an advanced sealed power transmission system engineered for demanding riding conditions. Featuring an innovative four-lip X-shaped rubber seal and precision heat-treated alloy steel links, it locks the internal lubricant securely while keeping contaminants out. Compared with conventional chains, it significantly minimizes friction loss and provides unmatched durability and tensile strength for modern motorcycles.

2. Applications & Fitment 
Engineered for both high-speed performance and heavy-load demands, our X-Ring drive chains are widely used in:
• Street & Touring Bikes: Medium to large displacement motorcycles (250cc – 1000cc+).
• Off-Road & Motocross: Dirt bikes, Enduro, and dual-sport motorcycles navigating mud, sand, and rough terrain.
• Racing & Track Motorcycles: High-RPM racing bikes requiring minimal horsepower loss and smooth acceleration.
• ATVs & UTVs: All-terrain utility and sports quad vehicles.

3. Key Advantages & Features
• Advanced 4-Lip X-Ring Sealing:
The proprietary X-profile design creates 4 contact points to trap grease tightly, reducing friction by up to 50% and doubling the service life compared to standard O-ring chains.
• Superior Dust, Mud & Leak Resistance:
Provides an impenetrable barrier against water, road grit, and mud, ensuring maximum internal pin-bushing lubrication under extreme weather.
• High Tensile Strength & Anti-Stretch:
Factory shot-peened plates and pre-stretched assembly deliver outstanding fatigue resistance, minimizing initial chain elongation.
• Smooth & Quiet Operation:
Precision-engineered rollers and links ensure seamless sprocket engagement, low running noise, and maximum power delivery to the rear wheel.
• Available Sizes & Complete Specifications:
Standard availability in 520 XR, 520H XR, 525 XR, 525H XR, 525SH XR, 530H XR, 530SH XR in custom link lengths (100L–130L).
• Full OEM & ODM Support:
Factory-direct supply supporting custom colors (Gold, Natural, Black, Chrome), custom laser logo engraving, and customized retail color box packaging.

Specification

Chain No.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length		Inner plate depth	Plate thickness	Tensile strength
	P	d1 max	b1 min	d2 max	L max	Lc max	h2 max	T max	Q min
	mm	mm	mm	mm	mm	mm	mm	mm	kN/lbf
520 XR	15.875	10.20	6.25	5.09	20.10	21.10	15.09	2.03	28.00/6294
520F9 XR	15.875	10.30	6.25	5.39	20.10	-	15.00	2.03	33.83/7605
520H XR	15.875	10.16	6.25	5.24	21.52	22.92	15.09	2.42	30.00/6744
525XR	15.875	10.20	7.85	5.09	21.70	22.70	15.09	2.03	26.50/5957
525H XR	15.875	10.16	7.95	5.30	23.10	24.50	15.09	2.42	26.50/5957
525SH XR	15.875	10.30	7.85	5.39	23.26	-	15.00	2.42	38.25/8599
530H XR	15.875	10.16	9.53	5.24	24.80	26.20	15.09	2.42	29.00/6519
530SH XR	15.875	10.30	9.40	5.39	24.91	-	15.00	2.42	38.25/8599

The differences between X-ring motorcycle chain and O-ring motorcycle chain
Catagories	X-ring motorcycle chain	O-ring motorcycle chain
Structural sealing principles	Adopts four-lobed X-shaped rubber seal with 4 independent sealing contact surfaces, forming double-side multi-channel grease locking structure	Equipped with circular single-lip O-shaped rubber ring. Only one contact surface between the ring and chain plates to seal grease
Frictional resistance	Only partial arc contact between X seal and link plates	Full circumferential contact leads to larger friction
Applicable vehicle models	ideal for large-displacement motorcycles, racing bikes, off-road dirt bikes, ATVs under high-speed, muddy and heavy-load working conditions	suitable for small-displacement scooters, daily commuter street bikes with low load and low speed

Packing & Delivery

Certifications

Company Profile

    Headquartered in Qingdao, China, we are a professional manufacturer specializing in heavy-duty industrial transmission parts with over two decades of manufacturing experience. Our core product lineup covers standard & heavy-duty roller chains, agricultural conveyor chains, matched industrial sprockets, customized attachment chains, and related transmission accessories. We are a vertically integrated manufacturer equipped with 3 independent R&D and production workshops, a standardized global sales center, as well as full sets of automated production lines and precision testing equipment. Supported by mature production systems and strict quality control procedures, we guarantee stable product quality, outstanding load-bearing performance, and punctual shipment for all orders. Besides standard specifications, we also offer personalized custom design solutions and flexible OEM & ODM services.