ZTTO BB209TC MTB Bike Ceramic Bearing Dub Bottom Bracket Press-In Threaded BB Color:Black and all bits are hardened

and all bits are hardened at 851° and nickel-plated for wear

making it convenient for outdoor use and storage

• Size: 28 x 15 x 3cm

The celebrity campaign includes famous models

• 【Hose Protection】Wide hook surface protects the garden hose from damage and prevents kinking

ZTTO BB209TC MTB Bike Ceramic Bearing Dub Bottom Bracket Press-In Threaded BB Color:Black and all bits are hardenedFeatures & Specifications Made of quality acrylic+aluminum alloy+ceramic material, it's durable to use It makes crankshaft power transfer more direct, with better rigidity The sealing system is easy to maintain and completely noiseless for lubrication It is lightweight and compact, convenient to carry Specification: Material: acrylic+aluminum alloy+ceramic bearing Inner diameter: 24mm or 22mmx24mm Applicable frame bottom bracket: 86 92mm Package