Muc-Off Crank Preload Ring - Purple MFPN=T6500.24 A slightly thicker tread improves

A slightly thicker tread improves the mileage of the tire making it the ideal solution to cycle in every season without giving up on its racing soul

For competitions and recreational use

The Ratchet DEG System was designed by taking a different angle than the common high engagement freehub systems to deliver a smaller engagement angle and maximized reliability

Painted finish

Muc-Off Crank Preload Ring - Purple MFPN=T6500.24 A slightly thicker tread improvesThe 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 maximize the life of your bottom bracket bearing as well as giving you a creak free ride. It fits onto the left crank arm of any mountain gravel or road bikes