-Axle diameter (mm): 28.99
-Axle connection: DUB
-Boost: No
-Brand: Sram
-Chain line (mm): 45
- Number of chainrings: 1-speed
- Crank arm length (mm): 165
- Chainring support: direct mounting
- Rear speed: 12-speed
- Group: Red eTap, Sram AXS
-Model identification number: PM-RED-1-D1
-Colour: black
-Material large sprocket: aluminum
-Number of teeth: 46
-Manufacturer Part Number: 00.3018.211.165
-Weight: 1,404 kg
-power meter
-SRAM X-Sync with Narrow-Wide crown technology guarantees the best holding of the chain
-Power Balance technology: records the distribution of force by measuring both legs separately.
-Power measurement has an accuracy of +/- 1.5% and is not affected by changing weather conditions while running
-Power type: ANT + / and BLE