Promax SP-1 Seatpost - 26.8 x 400mm, Black Bike Brand_IZIP The industry standard in performance

The industry standard in performance training tires is back with a refreshed design

HEADSET: IS (IS-21)

1 is nose-less and designed to remove pressure from soft tissue

The chain is followed by a cleaning routine to fully remove the inefficient factory lube and friction-producing contaminants introduced during the manufacturing process

Surpasses all CE & CPSC safety standards

Promax SP-1 Seatpost - 26.8 x 400mm, Black Bike Brand_IZIP The industry standard in performanceThe SP 1 seatpost is made using lightweight, 2014, aluminum alloy tubing and a cold forged, aluminum, alloy head. The two bolt head design ensures solid seat positioning and plenty of adjustability. Made with lightweight, 2014, aluminum alloy tubing and a cold forged, aluminum, alloy head