Shimano Acera SL-M315 Right ShifterShimano Altus SL M315 Shifter Upgrade of M310 ShifterBrand: ShimanoModel: M315 ShifterOption: 3 Speed or 8 SpeedFeature: Light shifting operation, wider compatibility, and suitable for internal cable routing Streamlined cockpit experience Gear display positioned below the handlebar Numbered gear display indicates gear position at a glance

Model: SL-M7100

Top gear teeth         : 50-55T

Technology: Shadow RD+

Model Number: RD-TX800

Type: HG 12 Speed

Two cage length options provide wide range of gearing compatibility

left / right (mm)    : 110/80

Q-factor (mm)                 : 146

Multi-Bearing construction     : 2

Average weight: 175 (11-25T) 193 (11-28T) 211 (11-30T) 189 (12-25T) 205 (12-28T)

Shimano's new 12-speed XTR chain CN-M9100 with special chain construction for the new Shimano 12-speed drivetrain components

Color: Silver