ISM PN 4.1 L-255 W-125 Cr-Mo Rail Size:ISM Saddle PN 4.1 Black L-255 W-125 Cr-Mo Rail 3D power meter technology (patent

3D power meter technology (patent pending) measures tri-axial strain on the crank

The flat mesh rear neck panel aids air flow

GIRO3 engineered flat leg band

Armrest Material: 6061-T6 AL

Fisher Ion - 2010-2011

ISM PN 4.1 L-255 W-125 Cr-Mo Rail Size:ISM Saddle PN 4.1 Black L-255 W-125 Cr-Mo Rail 3D power meter technology (patentNEW for 2021! The ISM PN4. 1 is the newest offering in the Performance Narrow category of saddles. Same shape as the popular PN4. 0, only with increased padding for those looking to soften their ride. We engineered the PN4 chassis with sit bone contact points of 125mm to accommodate a range of pelvic body positions related to road and gravel cycling. Like the other PN saddles, the PN4. 1 offers superb thigh and hamstring clearance. This allows for