Surly Ultra New Hub Axle Kit for 120mm Rear Free/Free Black MFPN=FD40186-10 A minimalist design adds style

A minimalist design adds style while reducing their overall mass

Color Black Flat Protection Tread and Sidewall TPI 60 Weight 465 Defined Color Black ISO Width (mm) 37 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 37 Tire Type Tubeless Ready Clincher

Enjoy seemingly effortless braking regardless of terrain or condition

5% accuracy provides your true watts output

Different spring rates are available in 5 lb/in increments ensuring you get the exact rate you need without compromise

Surly Ultra New Hub Axle Kit for 120mm Rear Free/Free Black MFPN=FD40186-10 A minimalist design adds styleSurly Ultra New Axle Kits are for upgrading the internals of your existing Surly New hubs or replacing the internals on your Surly Ultra New hubs. Each kit contains an axle two 6901 cartridge bearings two aluminum dust shields two stainless steel cones two stainless steel 6x1mm bolts and two stainless steel bolt washers Axle is quick release and bolt on compatible; bolts included QR is NOT included Compatible with Surly New hubs (upgrade kit) and