Telelever StreetboxThe Hyperpro Streetbox! This streetbox contains a replacement progressive front fork spring kit set and an adjustable emulsion shock absorber. The springs and shock provide easier cornering, a shorter braking distance, improved tire life, give a better balance in the bike and better overall feedback of your bike. The shock features manual preload adjustment and rebound adjustment with 50 clicks. The shock is equipped with a black color progressive