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BB92 (Asymmetric - MTN) BB89
Flywheel Actual: 7
Chainline: Perfect 49mm
It seamlessly integrates with roll-style handlebar bags
42mm 45x45 upper and lower bearing
Park Tool BBT-29 Bottom Bracket Tool bulky BB92 (Asymmetric - MTN) BB89The BBT 29 is a double ended bottom bracket wrench designed to fit 16 notch bearing cups. Compatible with an outside diameter of 39mm (e. g. Shimano Dura Ace 9000 series and XTR 980 series, as well as newer Shimano Deore XT and Ultegra) as well as 16 notch bearing cups with an outside diameter of 48. 5mm (e. g. FSA MegaEvo). About Park Tools Parks pledge for the future is simple: Build the best tools. Their commitment to that principle is stronger