They fit a range of brakes and are available in 4 different compounds:

+20mm increase

Make some noise with the Cateye Micro Bell

Includes the required mounting plate

8mm clamp diameter

Maxxis Welterweight Tube - Schrader Valve - 1.9-2.35 Inch - 27.5 Inch Do Not Ship Internationally They fit a range ofRide 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