Muc-Off Crank Preload Ring - Red Shoe Size (US)-4.5 the uses for these rings

the uses for these rings has expanded beyond Cyclocross to commuting

prying and jacking X2P double bolt locking mechanism locks shackle on both sides TriRadius shackle creates more internal space for more versatility Co-molded crossbar cover and double rubber coated shackle protects paint All metal end caps provide additional protection against hits and drops Steel ball Click-Combo-Gear system that's user settable with 10

15x100 and 15x110

and minimal danger of overheating

ASTM 5 approved Color Graphite Crank Length (mm) 165 Weight 330 Designed for ebike Yes Defined Color Gray

Muc-Off Crank Preload Ring - Red Shoe Size (US)-4.5 the uses for these ringsThe 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