Muc-Off Crank Preload Ring - Orange Back Sweep (deg)-7 Left 31 Bearing Type Sealed

Left 31 Bearing Type Sealed Cartridge Weight 310 Center to Flange

5" Hub Drilling 32 Rim Material Alloy Tire Type Clincher Size 27

Water bottle boss mounting bracket included

Weight: 12

Muc-Off Crank Preload Ring - Orange Back Sweep (deg)-7 Left 31 Bearing Type SealedThe 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