The Federal investment cast chromoly seat clamp features a raised

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AXLE SIZE: Female

while still being lightweight

Being built from 100% chromoly and including Sunday's lifetime warranty against bending

BSD Alex D Donnastreet Folding Kevlar Tyre supplier_54521698681158 The Federal investment cast chromolyBSD's Donnastreet is built for the streets, based on their proven rubber compound from the Donnasqueak tyres, making this one of the most popular tyres they offer. The Kevlar bead version of the Donnastreet tyre is based on the same priven rubber and tread design as the original, with the added benefit of being lighter and foldable. They feature an all over smoother tread for more grip and sidewalls which sit further round the rim for better grind