Promax MX37 Seatpost Clamp - 31.8mm Bolt-On Black CheckoutTitle=Eclat Shift TA Hub Cone 110psi rated for maximum rolling

110psi rated for maximum rolling efficiency

X-Range gearing technology gives you more range and a smoother gear progression so youre always in the right gear

IPX7 waterproof rating

Misc Quick Release Clamp

Promax MX37 Seatpost Clamp - 31.8mm Bolt-On Black CheckoutTitle=Eclat Shift TA Hub Cone 110psi rated for maximum rollingPromax MX37 Seatpost Clamp Fixed 31. 8mm Black. Cold forged and CNCd from 6061 T6 aluminum alloy the MX37 seatpost clamp is tough lightweight and safe for use on carbon frames. 31. 8mm diameter black with laser etched graphics and stainless steel hardware. 6061 T6 aluminum alloy Bold on Safe for use on carbon frames TECH SPECS Color Black Defined Color Black Diameter 31. 8 Material Alloy Type Bolt On