Muc-Off Crank Preload Ring – Black

The 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 bearing. What’s it for. It helps eliminate lateral play and clearance in thru-bolt bottom brackets to maximize the life of your bottom bracket and give you a creak-free ride.

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It fits the left crank arm of all mountain bikes, gravel or road bikes with SRAM, RaceFace or Easton cranks with 30mm spindle or SRAM DUB spindles with 28,99mm.

 

• Material: 7075 aluminum 

 

Compatibility

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• SRAM 30 mm
• Race Face 30 mm
• Easton 30 mm
• SRAM DUB 28.99 mm