【BIRDY B.B.】BSA for ID 24mm / Birdy Folding Bike Use

Bottom Bracket (B.B.) is always an essential component. A set of highly effective and smooth B.B. plays a main role in increasing pedaling performance and efficiency. CRODER® B.B. series are all produced with high-precision full CNC process and also integrates new technology to improve the performance and competitiveness.

CRODER® Birdy BSA B.B. has 5 characteristics which are:

→ Designed for Birdy Folding Bike to Install 2X Chainring

→ G5 Ceramic Bearings with Black Oxide

→ Double Ceramic Bearings Drive Design

→ 3 Ceramic Bearings Inside

→ More smoothy & More Durable

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.