Shimano BB-UN300-E Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For E-Type Front Derailleur ModelNumber=K3070 Long battery life (400+ hours)

Long battery life (400+ hours) to power a season of rides

Drivetrain Speeds 11 Rings 36/52 Rings 52/36 Defined Color Black Spindle Interface Type BB30/PF30 Number of Chainrings Double Chainring BCD 110 Crank Intended Use Road Color Black Pedal Spindle 9/16" BB Included No Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Crank Length (mm) 175

} Large capacity trunk bag with divided main compartment

Automatic locking function

Shimano BB-UN300-E Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For E-Type Front Derailleur ModelNumber=K3070 Long battery life (400+ hours)Shimano BB UN300 E Bottom Bracket English 68 x 122. 5mm Spindle Square Taper JIS For E Type Front Derailleur. 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 122. 5 Defined Color Black