Shimano Saint M820 10-Speed Rear Derailleur Shopify Collective But those two statements above

But those two statements above are true

Casing: 60 x 2

Powerful degreasing action that's kind to the rest of your bike and the environment

How do you make it lighter

All new materials and manufacturing process

Shimano Saint M820 10-Speed Rear Derailleur Shopify Collective But those two statements aboveThe Shimano Saint M820 rear derailleur is designed for crisp and responsive 10 speed shifting and now incorporates the ShadowPlus Clutch technology to stabilize the chain and avoid slap and bounce. Integrated urethane bump stop to reduce noise when the derailleur comes in contact with the frame For 10 speed drivetrains only Mode converter (DH mode Freeride mode) ShadowPlus clutch stabilizes the chain Super short cage only Built in skid plate to