Chainline - varies - these rings can be mounted in either the big or small ring position on double cranksets

The Tektro HD-M285 is a great value hydraulic disc brake system

this low weight setup features a Bluetooth remote and 2hr runtime making it both convenient and easy to use

Using a larger high-volume casing

Park Tool Chain Pin Ct-4/4.2/4.3/11 CTP-4K - Black PDP|PLP|Suits Freehub Type Chainline - varies - theseThe CTP 4K comes with four (4) replacement tool pins for the chain and one 5 32" ball bearing. To replace a pin, simply remove the cap, take out the old pin, and carefully place the new one. Make sure to avoid misplacing the ball bearing located below the pin. Finally, replace the cap. Key features Approx. weight 0. 14