The outer width of both ends of the CNW-2 are nominally 12mm wide

These are for use with 104 BCD chainrings or 64 BCD chainrings on 104 BCD cranksets

One way bleeding

These are easy to use

Ariaprene neoprene provides excellent breathability

Maxxis Welterweight Tube - Schrader Valve - 1.9-2.35 Inch - 29 Inch Do Not Ship Internationally The outer width of bothRide with confidence! Maxxis Welter Weight tubes are engineered for aggressive riders who require durability in their inner tubes. Be sure to keep a few spares on hand! Who's this item for: Aggressive riders who want a tube with good puncture resistance without the extra weight of a DH tube. Removable valve core: Yes, the valve cores are removable. Tube wall thickness: 0. 80mm Weight: 26 x 2. 2 2. 5: 212g 27. 5 x 2. 2 2. 5: 223g 29 x 1. 9 2. 35: 178g