Microshift R10 Rear Derailleur 10 Speed Short Cage AI is aerodynamically optimized for 28mm

is aerodynamically optimized for 28mm clincher- and tubeless tires

a surprisingly low weight and low rolling resistance are great advantages

8 maltodextrin-to-fructose ratio that maximises carbohydrate uptake while staying gentle on your gut

Specific slots and holders for 3-way hexes

Microshift R10 Rear Derailleur 10 Speed Short Cage AI is aerodynamically optimized for 28mmR10 rear derailleurs feature forged and CNC machined construction, pairing durability with finish quality. Compatibility with Shimano road products means you can mix and match to your hearts content. Specifications Group: R Series, R10Speed: 10 SpeedCage Length: Short CageMax Cog: 25 28TCapacity: 33TClutch: NoCage Material: SteelOuter Link Material: AluminumCompatibility: Shimano Road Mfr Claimed Weight TBC