Schwalbe Thunder Burt Tire - 27.5 x 2.1 Tubeless Folding BLK Evolution Super Ground Addix Speed MFPN=DROPOUT-190 Internal Lock Size Imperial 11

Internal Lock Size Imperial 11

100% waterproof with IP67 rating

Allows for space underneath for a bottle cage

German-engineered rear fender for suspension and commuter bikes attaches easily to seatposts

Schwalbe Thunder Burt Tire - 27.5 x 2.1 Tubeless Folding BLK Evolution Super Ground Addix Speed MFPN=DROPOUT-190 Internal Lock Size Imperial 11Schwalbe Thunder Burt Tire 27. 5 x 2. 1 Tubeless Folding Black Evolution Super Ground Addix Speed. Schwalbe 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 TECH SPECS