The Promax SP-1 Seat Post-27.2-400mm at J&R Bicycles is constructed of lightweight 2014 aluminum tubing and a cold-forged aluminum alloy head for durability. The post head is equipped with two bolts which allows for more adjustability while maintaining secure seat positioning. These posts have 20mm of setback and 26 degrees of seat angle adjustment for your personal riding style.
- 27.2mm-PX-SP13SB272: 295 grams/10.4 ounces