SIGEYI AXO SL Power Meter for SRAM Road (8-Bolt Interface) shimano without changing your grip on

without changing your grip on the bar

giving riders the ability to downshift three gears in one stroke

of shaft is 22mm

frame pump

SIGEYI AXO SL Power Meter for SRAM Road (8-Bolt Interface) shimano without changing your grip onThe all new AXO SL delivers a lighter, stiffer and more advanced spider based power meter, engineered for uncompromising performance. A fully reimagined structurebuilt around a proprietary box type strain beam and topology optimized 3D architectureachieves exceptional stiffness to weight, dropping total weight below 80 g without sacrificing strength. A flat, compact exterior improves crank and frame compatibility, resists impacts, and supports