Promax SP-1 Seatpost - 31.6 x 400mm Black 275lb Orbit chain management technology keeps

Orbit chain management technology keeps drivetrain quiet and secure

16% lumen increase over the previous model

light weight

They look good

Promax SP-1 Seatpost - 31.6 x 400mm Black 275lb Orbit chain management technology keepsThe 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 Defined Color Black Weight 298 Offset (mm) 20 Diameter 31. 6 Color Black Material Aluminum Clamp Style Standard Rails Length 400