Thumb protection: Memory Foam

Five heat settings to customize the heat as needed

Bore size 81

High Grade 6061-T6 Billet Aluminum lives Bracket

JT SPROCKETS Racelite Aluminium Black Rear Sprocket 897 - 520 JTA897.50BLK derbi-senda-racing-50-sm-50-2020-esi1221818 Thumb protection: Memory FoamWith the Leading Edge Edge Technology and Using Only the Highest Grade of Special Steel Alloys, JT Sprock's Produce A Full Range of Superior Quality Motorcycle Front and Reary Sprocks. Aviation Grade 7075 T6 Aluminum Alloy (Ergal) for Lightweight Competition Sprock Chain_pitch: 520. 0 Color: Black Material: Aluminum rear_prolet_teeth_count: 50. 0 REAR_PROET_TYPE: 897 REAR_PROET_SSION: Ultra Light Hard Anodized