ZTTO BB209 Bike Press-In Bottom Bracket Acrylic+Aluminum Alloy Bearing Bottom Bracket Threaded BB Color:Black • 2 x Line Spool

• 2 x Line Spool Caps

the setting time is 5-90 minutes

woody accords of oud and sandalwood

• Size: 21

ZTTO BB209 Bike Press-In Bottom Bracket Acrylic+Aluminum Alloy Bearing Bottom Bracket Threaded BB Color:Black • 2 x Line SpoolFeatures & Specifications Made of quality acrylic+aluminum alloy material, it's durable to use Aluminum alloy body 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 bearing Inner diameter: 24mm or 22mmx24mm Applicable frame bottom bracket: 86 92mm Applicable