ZTTO T47 Bottom Bracket Good Airtightness Waterproof Performance Bicycle Accessories for Mountain

Feature: 1. Premium Material: The bottom bracket shell is made of aluminum alloy, which is sturdy and durable. 2. Superior Performance: The threaded system protects the frame and produces more power than the normal axle. 3. Good Sealing: Double silica gel sealing ring is installed at the bottom port of the bracket to prevent pollution and prolong the service life. 4. Better Effects: Compared with traditional bottom bracket, it has higher compatibility with chain ring and better waterproof performance. 5. Applicable: ZTTO T47 Bottom Bracket outer Diameter 47mm1.9in, inner Diameter shaft 30mm1.2in, easy to install, perfect mountain bike accessories. Specification: Item Type: Bottom Bracket Material: Aluminum Alloy Outer Diameter: Approx. 47 mm1.9in Inside Diameter: Approx. 30 mm1.2in Bottom Bracket Shell: Approx. 86mm 2.7in, Approx. 73mm2.9in. Package List: 1 x Bottom BracketPremium Material: The bottom bracket shell is made of aluminum alloy, which is sturdy and durable. Superior Performance: The threaded system protects the frame and produces more power than the normal axle. Good Sealing: Double silica gel sealing ring is installed at the bottom port of the bracket to prevent pollution and prolong the service life. Better Effects: Compared with traditional bottom bracket, it has higher compatibility with chain ring and better waterproof performance. Applicable: ZTTO T47 Bottom Bracket outer Diameter 47mm1.9in, inner Diameter shaft 30mm1.2in, easy to install, perfect mountain bike accessories.