Muc-Off Crank Preload Ring - Red Shoe Size (US)-4.5 15x100 and 15x110

15x100 and 15x110

the uses for these rings has expanded beyond Cyclocross to commuting

15 Tire Bead Wire Tire Diameter 700c Tire Diameter 28" Tire Intended Use Touring-Hybrid Tire Type Clincher

1/1 hubs with 90 points of engagement (4 degrees)

Muc-Off Crank Preload Ring - Red Shoe Size (US)-4.5 15x100 and 15x110The 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