Alloy Bicycle Chainset - 44T x 170mm - Black - For Fixie / Folding / TrekkingAlloy Bicycle Chainset 44T x 170mm Black For Fixie Folding Trekking This fantastic crankset is light but tough, in order that your fixie or single speed bike can endure everyday riding in the city. With a 42t chainring, they are perfect to combine with a 16t or 17t cog, so that you can roll quickly on flat terrain and get up steep hills without getting exhausted. Suitable for fixed wheel bikes, folding bikes, trekking bikes and more Detachable single