SRAM RED/Force AXS Power Meter Spider - 107 BCD 8-Bolt Crank Interface 1x/2x BLK D1 MFPN=DWE390006 37 BB/Frame Interface English BB

37 BB/Frame Interface English BB Shell Width (mm) 68 Weight 110 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color Black

2-cross lacing

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The 50% smaller packed size makes it also a spare tube which fits in every pocket

SRAM RED/Force AXS Power Meter Spider - 107 BCD 8-Bolt Crank Interface 1x/2x BLK D1 MFPN=DWE390006 37 BB/Frame Interface English BBSRAM RED Force AXS Power Meter Spider 107 BCD 8 Bolt Crank Interface 1x 2x Black D1. The SRAM AXS Power Meter Spider can be used to upgrade your SRAM AXS crankset to a power meter. AXS enabled for easy monitoring and firmware upgrades Power upgrade compatible with the following RED and Force eTap AXS cranksets: RED 1x: 36T 46T Force 1x: 36T 46T Force 2x: 33 46 35 48 Bluetooth Low Energy and ANT+ compatible Power readings are accurate within + 1. 5%