Shimano BB-UN300-K Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS For Chain Case

Shimano BB-UN300-K Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS For Chain CaseShimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle 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

12mm thru-axle dropouts

Separate dedicated lever for up- and down-shifts

Each water bottle sleeve can tuck away when not needed to provide a streamlined pack

75") Defined Color Black

A tight and consistent 13-tooth gap between chainrings makes for accurate and dependable shifting

this shirt lets you show your support for local cycling—comfortably and proudly

Surly's first bike with a 9-speed Pinion gearbox an innovative approach to spur gearing that improves reliability and go-anywhere performance with less maintenance

Magnetic lid closure for easy one-handed access to essentials

strong and durable ALUXX aluminum frame is designed specifically for a flat handlebar to put the rider in a more stable upright position compared to drop bars

8mm Width 660mm Sweep 10 Deg Material Aluminum Color Polished Silver Weight 349g

Replaces skewer to provide a mount for the Surly Bill and Ted trailers

wave downtube