Shimano Revoshift SL–RS35 Grip Twist Shifter 3x7s 21s speed mtb motorbike Brand: SHIMANO Model: RS35 Speed: 3/7speed Name : Twist Shifter (with logo) Caliber :22 With Shift Cable : sure The REVOSHIFT shifter permits riders to maintain a safe and stable grip on the handlebar by way of requiring only a twist of the thumb and index finger for shifting