Specifications:
Condition: Brand New
Item Type: Ceramic Bearing Bottom Bracket
Material: Aluminum alloy
Optional Color: Black, Red
Quantity: 1 set
Specifications: Thread Bottom Bracket, Frame 68-73mm, Fits Tooth Stripe BC1.37
Bearing: Inner and outer circle: Stainless steel (when using AISI SUS316)
Ball Bearing: ZrO2 Ceramic Material
Weight: Approx. 4.2 oz (122 g).
Inner Diameter: Approx. 0.94 inches (24 mm).
Inner and Outer Circle Material: Bicycle bottom bracket requires high strength and impact resistance. Using regular steel rings or plastic inner and outer rings can easily break or wear on long rides. Therefore, it adopts imported stainless steel (for ALSI SUS316).
Package List:
1 Set Ceramic with Bottom Bracket