ZTTO BB91 Bike Press-In Aluminum Alloy Bottom Bracket Bearing Bottom Bracket Threaded BB 80834M power bank

power bank

• 【Enhanced Heat Dissipation】Excellent thermal management prevents camera overheating during extended use

highly matched with equipment

• 1 x Sport Backpack

• SIM eject bit: 1mm

ZTTO BB91 Bike Press-In Aluminum Alloy Bottom Bracket Bearing Bottom Bracket Threaded BB 80834M power bankFeatures & Specifications Made of quality nylon plastic + aluminum alloy + bearing, it's durable to use It has alloy cups, which optimizes bearing load, minimizes drag, keep your cranks turning smoothly It is lightweight and compact, convenient to carry Specification: Material: nylon plastic + aluminum alloy + bearing Inner diameter: 24mmx24mm, if matched with the matching reducing ring, it can be compatible with 22~24mm Applicable frame: 68 73mm Net