AnswerBMX Alloy Pivotal Seatpost 27.2x300mm Black MFPN=11.4018.104.035 Replaces the traditional top cap

Replaces the traditional top cap assembly

Optimal for cleaning the groove of cross-country  and jump ski

Sneak it into a cross bike fit it into a road frame the overall diameter stays the same as a 700 x 30mm road tire

just be aware of the position of your visor and your goggles

AnswerBMX Alloy Pivotal Seatpost 27.2x300mm Black MFPN=11.4018.104.035 Replaces the traditional top capCNC machined aluminum base and Pivotal head with laser etched logos Pivotal design allows seat to be dropped lower than is possible with conventional posts Pivotal compatible seat sold separately Model Pivotal Diameter 27. 2mm Length 300mm Setback Zero Material Aluminum Color Black