1.14in Bike Crank Chainring Adjuster Bearing Clearance Tuning Tool

• Optimized Drivetrain Performance: Professional preload adjuster corrects chainring alignment effectively, cuts excessive chain abrasion and drivetrain rattling noise, extends service life of crankset, chain and other cycling parts for smoother pedalling.
• Premium Solid Aluminium Alloy Construction: Made of sturdy lightweight aluminium alloy, the bottom bracket adjuster bears heavy riding pressure and harsh off-road conditions, delivers long-lasting durability without adding extra load to your crankset.
• Tool-Free Quick Installation: Humanized compact structure enables fast installation and precise bearing clearance fine-tuning on crankshaft directly, no professional skills or complicated extra tools needed for daily maintenance.
• Custom For DUB Series Cranks: Exact 28.99mm size exclusively designed for XX1 Eagle & X01 Eagle DUB crank systems. ❗ Not suitable for fat bike cranks or flanged inner chainrings, check crank size before purchase.
• Stable Secure Chainring Fixing: Firmly locks chainring in place during bumpy off-road rides, prevents abnormal shaking and loose vibration, guarantees quiet, steady and comfortable cycling all the way.

Item Type: Bike Crank Chainring Adjuster Material: Aluminium Alloy Diameter Spindle: Approx. 28.99mm / 1.14in Package List： 1 x Bike Crank Chainring Adjuster