The Croder Series of Bottom Brackets for popular threaded BB standards, running a 24mm shimano axle.

Bottom brackets are always an essential component. A set of highly effective bearings increase pedaling performance and efficiency. CRODER® B.B. series are all produced with high-precision full CNC process, integrating new technology to improve the performance and competitiveness.

Layered Corner™ Technology: CRODER’s exclusive layered corner technology can effectively reduce friction and noises between the B.B. and the bike’s frame shell parts.

Optional G5 Ceramic Bearings: The ceramic bearings are made of G5 Si3N4 ceramic balls and they are also made in Taiwan. The weight of ceramic bearings is 40% lighter than the weight of steel bearings. Besides, ceramic bearings can provide better protection with wear and rust. It also has an anti-corrosion function that makes bearings more durable.

Specifications for 24mm axle Bottom Brackets (either Steel or Ceramic bearings);

BSA68 English

SHELL DIAMETER | 1.37"

SHELL LENGTH | 68 mm

BSA73 English

SHELL DIAMETER | 1.37"

SHELL LENGTH | 73 mm

ITA70 Italian

SHELL DIAMETER | 36 mm

SHELL LENGTH | 70 mm