Muc-off Crank Preload Ring - Gold Size:NONE Park Tool introduced the bicycle

Park Tool introduced the bicycle world to the three-way hex wrench over 40 years ago

- PCS-4 (post-01/2003)

- Mesh side panels

and quickly and accurately inflate your tyre thanks to the oversized pump shaft

- Also removes some press fit bottom bracket cups including SRAM DUB

Muc-off Crank Preload Ring - Gold Size:NONE Park Tool introduced the bicycleThe Muc Off Crank Preload Ring is a super durable, precision CNC machined 7075 piece of hardware. It allows you to precisely adjust the 'preload' tension on the bottom bracket bearings. What does this do? It helps to remove the side to side play and slack in thru spindle bottom brackets, to help maximise the life of your bottom bracket bearing, as well as giving you a creak free ride. It also comes in our classic anodised colours for added bling! It