Schwalbe Billy Bonkers Tire - 26 x 2.1 Clincher Folding BLK Performance Addix MFPN=102509131 and the ratchet wheel is

and the ratchet wheel is generally used on the rear wheel

This makes the Sport Gel Flow the most budget-friendly saddle in Selle Italia’s Gran Turismo group

Contains pure CO2 with no oils or contaminants

34mm OD double wall 6069 aluminum

Schwalbe Billy Bonkers Tire - 26 x 2.1 Clincher Folding BLK Performance Addix MFPN=102509131 and the ratchet wheel isSchwalbe Billy Bonkers Tire 26 x 2. 1 Clincher Folding Black Performance Addix. The Billy Bonkers tire is designed for pumptrack dirtjump and slopestyle riding. This lightweight tire not only rolls extremely easily it also ensures fun loving and agile riding. If tricks and jumps get messed up Billy Bonkers remains good natured forgiving even egregious mistakes. Designed for maximum traction on crushed gravel and hard dirt Finely divided blocks