ZTTO BB91 Aluminum Alloy Thread Type Bicycle Bottom Bracket for Road Bike / Mountain Bike

• The threaded design ensures a secure and straightforward installation process, providing a reliable connection between the bottom bracket and your bike frame
• Design optimizes bearing load, minimizes drag, keeps your cranks turning smoothly
• Engineered from high-quality aluminum alloy, which ensures durability and performance for your cycling needs

Specifications:

• Material: aluminum alloy
• Suitable for bicycle frames: 68mm/73mm φ34.798mm 1.37 in x 24 TPI frame shell
• Suitable for: road bikes/mountain bikes

Package included:

• 1 x Bicycle Bottom Bracket