Muc-Off - Crank Preload Rings Stock Item:MUC-OFF CRANK PRELOAD RING - BLACK Use them by themselves

Use them by themselves

Features Straps to bicycle seat tube

(rear hub) spacing

Protects against water spray and road grime

Muc-Off - Crank Preload Rings Stock Item:MUC-OFF CRANK PRELOAD RING - BLACK Use them by themselvesMUC OFF CRANK PRELOAD RINGS Description The 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