MTB Press Fit 41mm Bottom Bracket With Inner Cover For 92mm Or 89.5mm Spacing, Fiber Reinforced Polymer Cups For Noise Reduction And Frame Protection, Ride Ready Easy Install Complete Assembly For Hollowtech II Cranks
✔️ Complete press-fit MTB 41 mm BB for 89.5/92 mm shells
This is a complete MTB press-fit bottom bracket assembly designed for Shimano Hollowtech II cranks. It fits 89.5 mm spacing (with a 2.5 mm spacer) and 92 mm shells, and is ideal for replacing worn, noisy or damaged bottom brackets to protect your bike frame. The cups are fiber reinforced polymer to reduce frame noise and provide frame protection. It ships as a complete set with left and right cups, 2.5 mm spacer, inner cover, and inner O-rings for a maintenance-free fit.
✅ 41 mm cup diameter for MTB frames
✅ Compatible with 89.5 mm spacing using 2.5 mm spacer
✅ Compatible with 92 mm shell spacing
✅ Fiber reinforced polymer cups reduce noise and protect frame
✅ Includes left and right cups, 2.5 mm spacer, inner cover, O-rings
💡 What is a press-fit bottom bracket and why should I choose this 41 mm MTB version?
Here’s a handy explanation for MTB riders.
- compatible with Hollowtech II MTB cranks for smooth power transfer- sealed design keeps out dirt and water for low maintenance
- fiber reinforced polymer cups reduce frame noise and protect frame
- easy press-fit installation saves time during upgrades