Dura Ace 7800 Professional Compact Road System

Conquer the steepest, longest climbs with this Compact PowerMeter featuring the Shimano Dura-Ace 7800 crankset. The 130/110 BCD PowerMeter allows for a wider variety of chainring combinations and comes standard with 50/34.

Crank: Shimano DA-7800
Cranks are available in lengths of between 165 - 180 mm

Chain Rings: Shimano DuraAce 7800
Bolt Circle Diameters: 110/130 mm
Compact: 34/50
All other chain ring combinations are available at an extra charge

Bottom Bracket: Shimano FC-7800 (weight: 98 g) - Not Included

Weight: 913 g with PowerMeter, crank, chain rings and bottom bracket (98 g)

Strain Gauges: 8

Cadence Range: 30-255 rpm

Wattage Range: 0-4096 Watts

Wireless Protocol: Wireless ANT+ Sport

Accuracy: +/- 2%

Battery Life: 1400 hours of use

Q-Factor: 147.5 mm

Compatible wireless with PowerControl VII and PowerControl VI.