Two sets of 29" tires, one for the streets and one for the hills. SHIFTER FRONT Shimano Alivio SL-M430 3spd SHIFTER REAR Shimano Alivio SL-M430 9spd FRONT DERAILLEUR Shimano Altus REAR DERAILLEUR Shimano Alivio Shadow 9spd FRONT BRAKE AND REAR BRAKE Shimano M355 Hydraulic 160mm Reason for selling When it's sunny outside I'm riding my motorcycle.