SRAM Rival AXS D1 Power Meter Upgrade - Left Arm and Spindle | 170mm DUB

SRAM Rival AXS D1 power meter left crank arm and DUB spindle, three quarter view

SRAM Rival AXS D1 Power Meter Upgrade - Left Arm and Spindle | 170mm DUB

SRAM Rival AXS D1 Power Meter Upgrade - Left Arm and Spindle | 170mm DUB

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How Does the SRAM Rival AXS DUB-PWR Power Meter Upgrade Work?

The SRAM Rival AXS Power Meter Upgrade puts the measurement inside the crank spindle instead of on the outside of the arm. DUB-PWR houses Quarq power measurement in the DUB spindle itself and reads left side power to calculate total watts, which is why SRAM calls it invisible technology. It adds less than 40 grams over a standard crankset. A user replaceable lithium AAA battery runs past 400 hours, so one cell covers a full season for most riders.

SRAM built this as the upgrade path for a bike already running eTap AXS, and because it is the left crank arm and spindle rather than a full crankset, the chainrings and drive side arm already on the bike stay put. The unit is rated IPX7, waterproof to one meter for 30 minutes, and reports over ANT plus and Bluetooth to a head unit or the AXS app. The arm is aluminum and black, and this listing covers the 170 mm length. We see plenty of Rival AXS bikes come through the lab without power, and this is the least invasive way to add it, since the shifting and the gearing stay exactly as they are.

$290.00
$290.00
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1 in stock

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  • Estimated delivery: Sep 06 - Sep 10

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Specifications

  • System: SRAM Rival AXS D1
  • Type: Left crank arm and DUB-PWR power meter spindle
  • Crank Arm Length: 170 mm
  • Crank Arm Material: Aluminum
  • Color: Black
  • Crankset Type: Road Wide
  • Bottom Bracket Technology: DUB
  • Power Measurement: Left side, calculated to total watts
  • Battery: User replaceable lithium AAA, 400 plus hours
  • Water Resistance: IPX7, one meter for 30 minutes
  • Added Weight: Less than 40 g over a standard crankset
  • Connectivity: ANT plus, Bluetooth (BLE)
  • Model: PM-RIV-ASSY-D1
  • MPN: 00.3018.303.002

FAQ

Does the SRAM Rival AXS Power Meter Upgrade measure both legs?

No, the SRAM Rival AXS Power Meter Upgrade reads left side power and calculates total watts from it. The measurement sits in the DUB-PWR spindle rather than in a spider or a pedal, which is how the kit stays under 40 grams heavier than a standard crankset.

What bikes does the SRAM Rival AXS Power Meter Upgrade fit?

SRAM states that the Rival AXS Power Meter Upgrade can be used to add power to any eTap AXS bike, and it uses the DUB spindle interface. The model is published in 160 mm, 165 mm, 170 mm, 172.5 mm, and 175 mm crank arm lengths, and this listing is the 170 mm arm.

How long does the battery last on the SRAM Rival AXS power meter?

The SRAM Rival AXS Power Meter Upgrade runs more than 400 hours on a single lithium AAA battery. That is a full season of riding for most people, and the cell is user replaceable rather than sealed into the unit.

Is the SRAM Rival AXS power meter waterproof?

Yes, the SRAM Rival AXS Power Meter Upgrade carries an IPX7 rating, which means it withstands immersion in one meter of water for 30 minutes. A wet Pacific Northwest winter sits well inside that rating.

Best For

Best for the rider who already owns a Rival eTap AXS bike and wants power data without changing the shifting, the gearing, or the chainrings. Because the measurement lives in the spindle, nothing protrudes from the crank arm, which helps on frames with tight chainstay clearance. It is a sensible first power meter for anyone moving from perceived effort or heart rate into structured training.

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