Maxxis Welterweight Tube - 700c - Presta - 33-50c - 60mm YGroup_7462468124717 The Sprint Ultra Shorts are

The Sprint Ultra Shorts are designed to perform at their best when you're riding at race pace and every microsecond counts

These are a must have item when using carbon cranks

Mounting style: Single clamp lock-on grip with a tapered sleeve for extra solid mounting without any chance of free play or slippage

Bell's Float Fit system

Maxxis Welterweight Tube - 700c - Presta - 33-50c - 60mm YGroup_7462468124717 The Sprint Ultra Shorts areRide 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