WSM Piston Kit - .50mm - Yamaha 50-521-05PK Brake Master Cylinder Repair Kit Kevlar® on shoulder and elbow

Kevlar® on shoulder and elbow for high levels of abrasion resistance

GP Aero Back Hump

Flat stitched seams for added comfort when moving on or off the bike

Removable long-sleeve thermal liner (100g body 80g sleeves) ensures comfort on hot or cold days

and any other solvent-based products that can harm the environment

WSM Piston Kit - .50mm - Yamaha 50-521-05PK Brake Master Cylinder Repair Kit Kevlar® on shoulder and elbowNew light weight design incorporates shorter piston skirts with an PTFE coating at critical wear points for quicker revs and less heat Improved intake skirt with larger inlet ports for increased acceleration and overall performance