Shimano BB-UN300-K Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS For Chain Case MFPN=RD-140-647 } Convert your BB30 or

} Convert your BB30 or PF30 frame to run as a Singlespeed

Sporty design and high versatility

Cervelo Rear Accessory Mount

}Jagwire 3mm Open Alloy Dropper Seatpost Cable Housing End Caps - Bottle/50 Black

Shimano BB-UN300-K Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS For Chain Case MFPN=RD-140-647 } Convert your BB30 orShimano BB UN300 K Bottom Bracket English 68 x 117. 5mm Spindle Square Taper JIS For Chain Case. 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 117. 5 Defined Color Black