CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=960137 The only automatic suspension system

The only automatic suspension system that listens to the rider and responds in real-time

Chain tool

In the event of a persistent theft attempt the 100 dB loud alarm is triggered

Color Black Rings 32 Number of Chainrings Chain Retaining Single Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 11 Drivetrain Speeds 12 BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=960137 The only automatic suspension systemThis 13 tooth upper and 19 tooth lower OSPW System has been platform proven at races like Paris Robaix, Strada Bianche and CX World Cups The system is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity The four spring tension settings allow customised setup based on ride conditions, and the handbuilt OSPW System offers custom molded carbon fiber cage for lightweight and durability Reduces friction 35