Carbon Seatpost 30.9 x 400mm Size:Circular Shimano Rapidfire SL-M310 7spd

Shimano Rapidfire SL-M310 7spd

Compound: Graphene and Silica

Perfect for use in low to moderate crime areas

while future-proofing your bike with the Helix Race Cassette

Stealth Black Carbon Finish with Protective Vinyl

Carbon Seatpost 30.9 x 400mm Size:Circular Shimano Rapidfire SL-M310 7spdEach seat post employs 24 individual plies of carbon, pre impregnated with a highly toughened epoxy resin system, designed to ensure a safe and rugged unit. The bulk of the laminate comprises Unidirectional T700 fibre, the highest strength Standard Modulus fibre available. (Unidirectional fibres provide the maximum tensile strength and stiffness with minimum weight.) This is combined with strategically positioned plies of 3K twill woven fabric, adding