Muc-Off Preload Ring - Grey bikes Service Course SL

Service Course SL

and are typically used in BB shells with widths wider than 73mm

Engineered for the added torque of E-bike motors with 28 threaded three-cross spokes that further boost lateral stiffness

Foam Rings)

Muc-Off Preload Ring - Grey bikes Service Course SLIt 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 anodised colours for added bling! It fits onto the left crank arm of any mountain, gravel or road bikes that have SRAM, RaceFace or