New for 2021, the ISM PN 4.1 completes the Performance Narrow range. Based on the design of the PN 4.0, the PN 4.1 incorporates more padding for the most demanding comfort riders. The PN4 frame has been designed to place the contact point of the seat bone at 125mm to conform to most road and gravel cycling positions.Like the PN saddles, the PN 4.1 offers thigh and hamstring clearance. A hallmark of the ISM brand, the PN 4.1 features a slotted mouthpiece to relieve pressure on soft tissues, improving blood pressure.\nFeatures:\n 125mm wide\n Beveled edges for improved comfort\nInspired by Auto-racing chassis\nUse:
Gravel\n Road TECHNICAL SPECIFICATIONS:\n Category: Performance Narrow\n Length: 255mm\n Width: 125mm\n Padding: 40-Series padding\n Rail: Chromoly\n Color: Black