AeroAddicts

Power meter

Giant Power Halo

Giant's spider-based power meter for SRAM Red, Force and Rival eTap AXS cranks with a direct-mount spider and 107 mm BCD chainrings, for 1x or 2x setups. It reports left/right balance from strain gauges in the spider and recharges in about an hour, making it an affordable way to add power to a SRAM AXS build.

Fitted to 2 builds across 2 bikes in the database.

Specs

Type
Spider
Measurement
Total power with left/right balance
Claimed accuracy
±1.5%
Battery
Rechargeable lithium-ion
Battery life
About 100 hours (full charge in 1 hour)
Connectivity
ANT+, Bluetooth
Weight
155 g5.5 oz
Notes
Spider only. Fits SRAM Red, Force and Rival eTap AXS cranks with direct-mount spider, 107 mm BCD 4-bolt. IPX7.

Bikes that come with it

BikeBuildPrice (MSRP)
Liv Avow Advanced SL2027Avow Advanced SL (2025)€7,499$9,900£6,499
Giant Trinity Advanced SL2025Trinity Advanced SL 2€7,499$9,900£6,499

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