Shock features manual preload adjustment and rebound adjustment with 50 clicks. , Hyperpro Streetbox! This streetbox contains a replacement progressive front fork spring kit set and an adjustable emulsion shock absorber. , 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. , Shock is built with our modular system, so the shock is fully serviceable, and any part can be exchanged if needed. , Streetbox is a perfect suspension solution to upgrade your bike!