Shimano XTR SM-BB94-41A Pressfit Bottom Bracket

Shimano SM-BB94-41A XTR HOLLOWTECH II Press-Fit Bottom Bracket

The Shimano SM-BB94-41A is a premium XTR HOLLOWTECH II press-fit bottom bracket designed for smooth pedalling performance, reduced weight, and exceptional durability for mountain biking.

Featuring improved sealing and low-friction bearings, the BB94-41A delivers efficient power transfer while protecting the bearings from mud, water, and trail debris. Built to Shimano XTR standards, it offers long-lasting performance even under demanding off-road conditions.

Designed for Press-Fit 89.5 mm and 92 mm bottom bracket shells, it is compatible with Shimano HOLLOWTECH II MTB cranksets.

Features

• Premium Shimano XTR HOLLOWTECH II press-fit bottom bracket
• Lightweight construction helps reduce drivetrain weight
• Smoother bearing rotation for efficient power transfer
• Improved sealing protects against water, mud, and contaminants
• Designed for demanding mountain bike use
• Compatible with a wide range of MTB frame designs
• Precision-engineered for long-lasting durability

Performance

Shimano's lightweight bearing system and enhanced seals provide smooth, efficient pedalling while maintaining excellent durability in harsh riding conditions. The low-friction design helps maximise power transfer without compromising bearing longevity.

Specifications