Ultra New Hub Axle Kits Width/Configuration:130mm Rear Black allowing riders to run 142mm

allowing riders to run 142mm or Boost 148mm rear hubs

including Tektro four-piston hydraulic brakes for enhanced stopping power

Available in a multi-pack that includes two 550mm lashes and one 695mm lash

5” wheel platform provides abundant tire options you don’t get from cargo bikes rolling on smaller wheels

Ultra New Hub Axle Kits Width/Configuration:130mm Rear Black allowing riders to run 142mmSurly 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)