TS71-8 (3X8 SP) - Thumb-Tap Shifter. - Mountain bikes. - Model No.: TS71-8. - Handle Bar Type: Flat Bar. - Cassette Compatibility: 8 Speed. - Front Shifting: Triple. - Operations: Push-Push. - Bracket Material: Aluminum. - Main Shift Lever Material: Resin Steel. - Bearing inside mechanism: No. - Optical Gear Display: Yes. - Shift Cable Adjuster: Yes. - Clamp Band: 22.2mm. - Shift Cable: Regular. - Weight: 282g. - Compatibility: Shimano 8 Speed MTB Shifters Compatible.