Pressfit BB86 Ceramic Bottom Bracket for Shimano Cranks

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The BB86 bottom bracket is a high-performance Shimano press-fit design engineered for smooth power transfer and long-lasting durability. Compatible with SM-BB92-41, SM-BB71-41, and SM-BB72-41 models, it features lightweight construction and a low Q-factor for enhanced pedalling efficiency. Equipped with large 6805 ceramic bearings, this bottom bracket delivers superior strength, reduced friction, and extended bearing life, the perfect upgrade for cyclists seeking precision and performance. This bottom bracket is compatible with a Shimano 24mm spindle road crankset.

Features:
- Fibre reinforced polymer BB cups
- ABEC 7 standard bearing races
- Grade 3 Si3N4 ceramic balls - highest precision in the market
- Pre-lubricated with HSC Ceramic Grease and sealed.
- Specially designed Nylon bearing retainer for more shock absorbing and less friction
- Light touch Dual lip rubber seals for a better protection

Weight:
- 65 g for Shimano cranks

Frame requirements:
- Press fit frame (non-thread) with shell ID 41mm, width 86.5mm
e.g.. Scott,Giant,Trek Madone 3 serie,Trek Madone 2 serie,Trek Domane 2 series,Trek Ion CX Pro BB86 press fit frames etc.

Crank compatibility:
- 24mm spindle cranks, e.g. Shimano Dura Ace, Shimano Ultegra, Shimano 105, Shimano Tiagra, FSA etc.

Fully compatible with Shimano press-fit bottom brackets including SM-BB92-41, SM-BB71-41, and SM-BB72-41 models.

Learn more about the compatible pressfit installation tool

Learn more about the compatible bottom bracket removal tool