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🔥Spend $100, Save $10 - Use Code: WYLD10 at Checkout
Free Shipping on orders over $99 Save $10 with code WYLD10 on $100+ orders Premium motorcycle parts & accessories Nationwide delivery in 1–3 days Trusted by thousands of riders across the USA Free Shipping on orders over $99 Save $10 with code WYLD10 on $100+ orders Premium motorcycle parts & accessories Nationwide delivery in 1–3 days Trusted by thousands of riders across the USA
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BikeMaster 525x120 BMXR O-Ring Chain - Blue
BikeMaster 525x120 BMXR O-Ring Chain - Green
BikeMaster 525x120 BMXR O-Ring Chain - Orange
BikeMaster 525x120 BMXR O-Ring Chain - Red

BikeMaster 525×120 BMXR O-Ring Chain

SKU: bkm197471

(3 customer reviews)

$176.99

  • color:
  • Clear
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BikeMaster 525x120 BMXR O-Ring Chain

This is the BMXR version of BikeMaster’s sealed chains, aimed at riders who want solid durability without stepping up to a heavier Z-Ring setup. The BikeMaster 525x120 BMXR O-Ring Chain is commonly used on mid- to large-displacement street and sport bikes where reliability matters more than shaving every ounce of weight.All four options here are the same chain. Same build. Same strength. The only difference is the color.

Fitment Overview

A 525 pitch chain is often chosen for bikes that make decent power but still see regular street miles. It’s a practical size. Strong enough to handle torque, but not overkill. The 120-link length works for a wide range of stock setups, with room to shorten if needed.This is the kind of chain riders install when they want something better than entry-level, without paying for a full race chain they don’t actually need.

What the BMXR O-Ring design does for you

O-Ring chains are about balance. You get sealing to protect the pins, but with less drag and weight than heavier sealed designs. On the road, that usually translates to smoother feel and easier maintenance.Things that tend to matter once it’s installed:
  • O-Rings help keep grease where it belongs, slowing down wear
  • Steel components are built to handle daily riding and occasional hard use
  • Holds adjustment better than non-sealed chains
  • Less maintenance than standard chains, without added complexity
  • Color finish makes the chain easy to spot during inspection

Shared specifications

  • Brand: BikeMaster
  • Chain type: O-Ring sealed
  • Item style: BMXR
  • Pitch / size: 525
  • Link count: 120
  • Master link: Included
  • Application: Street and sport motorcycles (vehicle specific)

Available colors

  • Blue
  • Green
  • Orange
  • Red

Materials and build notes

The BMXR chain uses steel components designed for consistent wear rather than extreme peak strength. The O-Ring seals are factory-installed to reduce friction at the pins and extend usable life.As always, chain life depends heavily on alignment, lubrication, and sprocket condition. A worn sprocket will shorten the life of any chain, regardless of brand.Installation and fitment notesThis chain must be matched to the correct sprocket size and engine output. Improper chain selection or installation can lead to failure, which may cause serious injury or damage.If you’re not used to cutting chains or setting final drive tension, installation by a qualified technician is strongly recommended.

FAQs

Is this one product with multiple color options?
Blue, Green, Orange, and Red are simply color variations of the same 525x120 BMXR O-Ring chain.
Does the color affect strength or lifespan?
The color is purely cosmetic and does not impact performance, durability, or lifespan.
What bikes typically use a 525x120 chain?
This size is commonly used on mid- to large-displacement street and sport bikes. Always confirm your bike’s required chain pitch and link count before purchasing.
What’s the difference between O-Ring and Z-Ring chains?
O-Ring chains provide effective sealing with lower weight and reduced drag. Z-Ring chains typically last longer under heavier loads due to improved sealing design.
Can this chain be shortened?
 The chain can be shortened by removing links using the proper tools and following correct installation procedures.
Is a master link included?
A master link is included with the chain for installation.

3 reviews for BikeMaster 525×120 BMXR O-Ring Chain

  1. Seth –

    Perfect length for my 525 application. X-ring chain runs cooler and retains lube longer solid choice.

  2. Mike MacKenty –

    Good quality chain. Installed easily and runs quietly. Very happy with the performance for the price.

  3. Dennis –

    Can’t go wrong with a good valve stem. Quality rubber, good press fit, and completely leak-free.

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