Promax SP-1 Seatpost - 26.8 x 400mm Black Topeak The safety lock is activated

The safety lock is activated with a thumb push

but a few derailleur hangers don’t meet the spec

Marine-grade grease and robust bearing seals complete the package in terms of durability

This chainguide has been tested and developed with Team Jumbo-Visma

Open tread and lightweight construction Flat Protection Tread TPI 120 Color Black Defined Color Black ISO Width (mm) 30 ISO Diameter 622 / Road / 29" Tire Intended Use Road Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 30 Tire Type Tubeless Ready Clincher Size 700X30

Promax SP-1 Seatpost - 26.8 x 400mm Black Topeak The safety lock is activatedThe 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 Clamp Style Standard Rails Color Black Defined Color Black Diameter 26. 8 Length 400 Material Aluminum Offset (mm) 20