ZTTO BB91 Aluminum Alloy Thread Type Bicycle Bottom Bracket for Road Bike / Mountain Bike Color:Red • Large Capacity: Designed with

• Large Capacity: Designed with many pockets

ensures safe riding for you

providing hours of entertainment

• Usually the replacement period is 3-6 months

remind time

ZTTO BB91 Aluminum Alloy Thread Type Bicycle Bottom Bracket for Road Bike / Mountain Bike Color:Red • Large Capacity: Designed withFeatures & Specifications 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