Park Tool SPA-2 Pin Spanner Softgoods Air Tune System: The lightest

Air Tune System: The lightest back system for our lightest backpacks

ideal for riders seeking lightweight performance and all-day comfort

174 mm Q-factor

KICKR CLIMB Compatible - Yes (requires optional accessory)

Park Tool SPA-2 Pin Spanner Softgoods Air Tune System: The lightestThe SPA 2 is purpose built to fit pin holes on retaining rings found on self extracting (or one key release) cranksets, including models from Shimano, Campagnolo, SRAM, and FSA. Manufactured from high carbon tool steel to ensure long life, vinyl coated for comfortable grip, and color coded for easy recognition. Specifications Pin diameter: nominally 2. 3 mm (0. 090") Flexes to fit pin holes from 10 mm to 45 mm (0. 39" to 1. 77") apart Mfr Claimed