ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats Superior modulation gives you the

Superior modulation gives you the power you need

Aluminum flanges

ts all helmet types and can also have extra storage capacity

2‰۝ x 11

As the edurance riding option

ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats Superior modulation gives you theNEW for 2020! The ISM PN4. 0 is the newest offering in the Performance Narrow category of saddles. Similar in design to the award winning ISM PN3. 0, we increased the sit bone contact points 5mm to accommodate arange of pelvic body positions. Rider response told us some cyclists wanted a125mm saddle to allow for more relaxed pelvis tilt related to road and gravelcycling. Like the other PN saddles, the PN4. 0 offers superb thigh and hamstring