Specs

• Pulley Wheels: CyclingCeramic 14-tooth upper and 19-tooth lower

• Pulley Wheel Material: Aluminium machined in France

• Cage Material: Carbon UD and Aluminium

• Bearings: HandMade ceramic bearings

• Compatibility: Shimano 105 DI2 7100/7150 & Shimano 105 11s 7000

• Cassette Compatibility: Fits 11-12 speed 11 to 36-tooth cassettes.

• Spring Tension Settings: 2 spring

• Speed: 11 & 12 speed

• Weight : 110 grams

In the box:

• Complete OSPW System for Shimano 105 DI2 7100/7150 & Shimano 105 11s 700

• CyclingCeramic Oil for Pulley Wheel Bearings, 15 ml. dropper bottle

• Mounting Instruction

• Stickers sheet