Shimano BB-UN300 Bottom Bracket - English 73 x 118mm Spindle Square Taper JIS MFPN=VALAIS25-25 They are also designed for

They are also designed for a longer wear life

}Shimano TL-FC38 Installation and Removal Tool for STEPS DU-E6000/E6001 Ebike Motor Unit

B17 is Brooks flagship model and has been on the market for over 100 years 1st appearing the 1898 catalog

Will require more attention to drivetrain cleanliness

Cable Length: 120cm

Shimano BB-UN300 Bottom Bracket - English 73 x 118mm Spindle Square Taper JIS MFPN=VALAIS25-25 They are also designed forShimano BB UN300 Bottom Bracket English 73 x 118mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle Length 118 Spindle Interface Type Square Taper JIS BB Shell Width (mm) 73 BB Frame Interface English