NEW Michelin Protek Max Tube 700x32-42mm, Schrader variant-size-large It's made from 4130 CroMoly

It's made from 4130 CroMoly steel and features mid-blade eyelets for mounting a Surly 8- or 24-pack rack (among others)

Removable Schrader valve core

lower profile and lighter weight option to replace your stock thru-axles

Provides power transfer over a greater surface area

It's gotta be built right so that it's strong

NEW Michelin Protek Max Tube 700x32-42mm, Schrader variant-size-large It's made from 4130 CroMolyThe Protek Max tubes feature a proprietary shape and construction that is extremely resistant to punctures. Contains liquid sealant that immediately closes small punctures to prevent air loss Excellent air pressure reteintion Square shape retains shape better and resists twistin during installation Excellent air pressure retention Valve: Standard Schrader Weight: 267 Valve Core: Removable Wall Thickess: 1 Shaft Type: Smooth Labeled Size: 700 x 35 47