Ground Control Sport Size:27.5/650B x 2.35 our engineers began testing 2

our engineers began testing 2

Dense center blocks form a fast-rolling strip

The use of a softer foam density allows more energy to be absorbed in an impact

The Alpinist CL II utilizes the same rim as the Alpinist CLX II

Ground Control Sport Size:27.5/650B x 2.35 our engineers began testing 2The Ground Control Sport uses an extremely versatile tread pattern which can be used from cross country race to trail, it rolls fast with exceptional amounts of confidence and grip. Our Block In Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. Casing: 60 TPI. Bead: Wire. 26 x 2. 35"; PSI 25 50,