ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats developed using detailed analysis and

developed using detailed analysis and input from medical experts

2‰۝ x 11

Aluminum flanges

Atlas is well-ventilated without sacrificing protection thanks to a TPU overlay that reinforces the toecap

Included 3M reflective decals provide safety at night

ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats developed using detailed analysis andNEW 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