SCHWALBE Thunder Burt Tire - 29 x 2.1" - Evolution / Super Ground / Addix Speed - Black FBPost Three-layer DriWix face foam wicks

Three-layer DriWix face foam wicks moisture

2:1 ratio Mountain Bike

Hydraulic disc brakes

Integrated Chest Strap Design

Not compatible with 2020+ TCR

SCHWALBE Thunder Burt Tire - 29 x 2.1" - Evolution / Super Ground / Addix Speed - Black FBPost Three-layer DriWix face foam wicksSchwalbe Thunder Burt Tires. The development goal of this tire was to combine the best of the Racing Ralph and Furious Fred. With its many small lugs, it has the grip of the Racing Ralph but the low rolling resistance of the Furious Fred. PaceStar: fast rolling cross country compound with easy rolling base layer, fast center and grippy shoulders