Motorcycle Rear Sprocket Gear For Husqvarna TE TC SMR WR Fit For Husqvarna TE TC SMR WR WRE CR series rear hub structure, compatible with standard 520 drive chains Pre-drilled mounting holes match hub for direct bolt-on installation without adapters or Hardened gear teeth deliver stable power transfer under rough offroad enduro motocross riding Heat-treated wear-resistant material reduces tooth abrasion prevents chain jump during frequent acceleration Strict OEM dimension standards maintain proper chain clearance extend the whole drive system life