Apico Evolite Rear Sprocket The Apico Evolite range of sprockets offer superb quality for Motocross, Trials and Enduro riders. Key Features / Points: Manufactured using durable CNC machined 7075 'Aerospace' grade aluminium Evolite sprockets have a unique self-cleaning groove to reduce wear in the chain and the sprocket leading to a longer product lifespan Manufactured to the highest standards by one of the world's leading sprocket manufacturers CNC machined with laser-etched Apico logo SPROCKET REAR EVOLITE GAS GAS MC50 21-25 MC-E5 21-25 KTM SX50 14-25 SX-E 50 20-25 HUSKY TC50 17-25 EE- 5 20-25