Sunrace R90 Downtube shifters9speedBraze onSLR902:1 Actuation RatioSpeeds: (R) 9 / (L) Friction 3/2Mounting: (B) Brazed On Type 28.6mm / (C) Brazed On Type 44mm / (F) Brazed On Type 50mmCable Type: Slick GalvanizedCasing Compatibility: (R) SP / (L) 2SP & ↑Average Weight: 56g