ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats ts all helmet types and

ts all helmet types and can also have extra storage capacity

28 x 15 x 15cm

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

CLAMP HEIGHT

Fully-Enclosed Sleeping Capacity

ISM PN 4.0 Black L-255 / W-125 Chromoly Rails Bike Seats ts all helmet types 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