Drivetrain› Belt and Chain Drive

Bike Master

BikeMaster 520 BMOR O-Ring 25/Ft Roll

$329.99

SKU: B0AA 197246

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The BikeMaster 520 BMOR Series Chain Roll is a 25 ft. roll of 520 O-ring chain designed for durability and performance. It features solid rollers, shot-peened components for increased fatigue resistance, and a high tensile strength of 8,500 lbs. Made from heat-treated high-carbon alloy, these chains are pre-stretched for immediate performance and include a master link.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBike Master
Part NumberB0AA 197246

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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