Schwalbe Aerothan Tube - 40mm Presta Removable Valve Core - 2.1-2.4 Inch - 27.5 Inch YGroup_7034179616813 It also features Tool-Less Travel

It also features Tool-Less Travel Adjust which allows for the length to drop to be adjusted in 5mm increments for a maximum of 30mm travel reduction

Weight: They weigh only 428gm with a 32T chain ring (not included)

Can be stored under the saddle when not used

There is also a slim version of this grip for riders with smaller hands

2 x 16mm Pistons

Schwalbe Aerothan Tube - 40mm Presta Removable Valve Core - 2.1-2.4 Inch - 27.5 Inch YGroup_7034179616813 It also features Tool-Less TravelAerothan is a material that completely redefines bicycle tubes: extremely light, with maximum puncture protection and designed for minimum rolling resistance. This is the high end alternative to conventional bicycle tubes. The next generation Aerothan tube sets new standards for weight, puncture protection, riding characteristics, easy installation and packing dimensions. Features: Puncture protection newly defined as the material itself prevents