Shimano BB-UN300 Bottom Bracket - English 68 x 107mm Spindle Square Taper JIS ModelNumber=K8573 A built in USB stick

A built in USB stick allows for cable-free charging and it has a max runtime of 20 hours

Upper Stack Height 16

Elastomer joint expands and contracts depending on width of bottle used

}Portland Design Works FenderBot Taillight

Shimano BB-UN300 Bottom Bracket - English 68 x 107mm Spindle Square Taper JIS ModelNumber=K8573 A built in USB stickShimano BB UN300 Bottom Bracket English 68 x 107mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Square Taper JIS Spindle Length 107 Defined Color Black