SRAM XX1 Eagle Boost 148mm Quarq PowerMeter Crank Spider Assembly

SRAM’s power meter technology is reliable, accurate and easy to use. Now available as a spider by itself as an easy upgrade for existing cranks.

The Dzero series offers improved data transfer and frame fit compatibility.

• Fits 8-Bolt interface Quarq XX1 Power Meters (8-Bolt used since Aug ’14)
• Dual Bluetooth lowenergy and ANT+ wireless data transfer
• AxCad system provides no-magnet cadence data
• Free firmware updates with the QALVIN APP

• Color: Black
• Chainring BCD: 104 mm

Essential Details

• SRAM XX1 Power Meter owners can upgrade to the DZero platform with an Eagle Power Meter Spider. (Note: Boost spiders should not be paired with 156Q crank arms).
• Two power meter variations – Conventional and Boost 148 (52mm chainline).
• Requires an X-SYNC 2 or X-SYNC 104 BCD chainring.
• Uses the 8-Bolt crank to spider interface.  See 8-Bolt Compatibility, below.
• The XX1 Eagle power meter is not compatible with Cannondale Asymmetric Integration (Ai).

8-Bolt Compatibility

Power meters and cranksets on 8-bolt since release:

• Quarq ELSA RS (Aug ’14)
• Quarq RIKEN AL (Apr ’15)
• Quarq Prime Power Ready Cranksets (Mar ’16)
• SRAM RED Power Ready Cranksets (Mar ’16)
• SRAM XX1 Power Meter (Aug ’14) (Note: Boost spiders should not be paired with 156Q crank arms)
• SRAM RED BB386EVO standard crankset (Mar ’16)