The MRX ergonomic shifter is the original Grip Shift shifter that has sold in the millions across the globe, because of its entry level price & compatibiliy with DIRT & Shimano* derailleur systems it is now available with some of the new technology &8226;mrx Twist shifter
Features: &8226;2:1 actuation ratio & SRS technology for light precise indexing &8226;3 / 5 / 6 / 7 / 8 speed &8226; Indexed rear shifter micro front shifter &8226; Easy cable change