A light and stiff direct mount chainring with accurate Quarq power metering, elegantly hidden within the DUB spindle, discreetly gathering the data you need to progress.
Shaft-based DUB-PWR unit measures left side and calculates total watts.
Long battery life (400+ hours) to power an entire season of riding. User changeable AAA lithium batteries.
The DUB bottom bracket adds durability and simplicity. Waterproof (IPX7).
Compatible with 45mm chainline for 135mm and 142mm hubs.