SRAM Quarq DZero DUB Spider Power Meter BX PSI Rear Derailleur to Junction B:

Rear Derailleur to Junction B: 750mm

278g (Large)

42T (111g)

T47 threaded BB cups for T47 frames and 22/24mm spindle diameter SRAM GXP cranks

In addition to this

SRAM Quarq DZero DUB Spider Power Meter BX PSI Rear Derailleur to Junction B:Reach new goals and explore new roads with a power meter that delivers on accuracy, durability and reliability. The SRAM Quarq DZero DUB Spider Power Meter is built with broad compatibility, working with most 10 speed and 11 speed chainrings. Build the power meter that best fits your bike choose between a 110 BCD or 130 BCD power meter spider, the crank length to fit you, and the compatible SRAM DUB bottom bracket for your bike. Specifications