MUC OFF Crank Preload Ring

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The Muc-Off Crank Preload Ring is a super durable, precision CNC machined 7075 piece of hardward. It allows you to precisely adjust the preload tension on the bottom bracket bearin gs. It 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 Easton 30mm spindle cranks, or SRAM DUB 28.99mm spindles. Show more