The CeramicSpeed BSA Bottom Bracket for Shimano Road is engineered for cyclists who demand smooth performance and lasting durability. Designed for English-threaded (BSA) bottom bracket shells, it fits 68mm wide, 34mm inside diameter frames with reverse threading on the drive sidethe most common standard in use today. Compatible with 24mm diameter thru-axle cranks from Shimano, FSA, Rotor, and more, this bottom bracket ensures a precise and secure fit for optimal power transfer.

Available in two bearing options, the Standard Bearings feature hardened-steel races with ultra-smooth CeramicSpeed balls for minimal friction and long-lasting performance. The Coated Bearings further enhance longevity and reduce friction with coated, hardened-steel races, making them ideal for riders seeking peak efficiency and durability. Whether you’re on the road, competing in triathlons, or racing on the track, this bottom bracket is built to elevate your ride.

Key Features:

• Precision Fit Designed for BSA-threaded 68mm bottom bracket shells.
• High-Performance Bearings Choose between Standard and Coated options for reduced friction.
• Wide Compatibility Works with 24mm spindle cranks from Shimano, FSA, Rotor, and more.