Flat Attack Freedom Tube Valve Type:Presta }WTB Proterra Tough i30 Rear

}WTB Proterra Tough i30 Rear Wheel - 27

New boomerang profile for the best uphill traction and ideal rolling behavior

60mm thick to optimize durability

The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager

Flat Attack Freedom Tube Valve Type:Presta }WTB Proterra Tough i30 RearThe original tube for flat protection, non toxic and environmentally safe Protects against punctures up to 1 8" Quality tubes pre installed with the correct amount of sealant Model Freedom Material Butyl Tire Size 20", 24", 26", 27. 5", 29", 700c, 700c (27") Tire Width 1. 25", 1. 9 2. 125", 2. 35 3. 25", 2. 8 3. 25", 28 35mm, 3. 5 4. 5", 3. 5 4. 55", 38 48mm, 4. 5 5. 5" Valve Presta, Presta RVC (Threaded), Schrader Length 32mm, 35mm, 40mm, 48mm, 50mm