How to fix sticky Shimano trigger shifter with a pick and wd-40.

How to fix sticky Shimano trigger shifter with a pick and wd-40. See other videos-    • How to service, replace seals on forks & s...      • Bicycle School Repair Classes   About- Bike Teacher provides a complete hands-on bicycle mechanics repair and maintenance training for beginners, enthusiast, bike shops, race teams, bicycle clubs, businesses, and recreational. Receive a certificate and a certification. Located in the North Bay, San Jose California. www.biketeacher.com www.facebook/biketeacher.com www.instagram/biketeacher.com ~-~~-~~~-~~-~ Please watch: "Let's bench test the rear derailleur and see how it moves."    • Let's bench test the rear derailleur and s...   ~-~~-~~~-~~-~