PC-X1 Chain (11-Speed) Large (57-59) Samson Milestone -

Samson Milestone -

with reflective stripe Tubes: Presta

100*100mm Handlebar: Steel riser handlebar

This bottom bracket is made of lightweight and durable aluminum with long lasting sealed cartridge bearings

PC-X1 Chain (11-Speed) Large (57-59) Samson Milestone -With SRAM's X1 Chain, it's 1x11 all the time, so the chain can be narrower, stronger, faster all because it doesn't have to deal with high stress, front chainring shifting. Since it only has to do rear shifts, gear changes are telepathically fast and feathery light. Its "wide tooth, narrow tooth" pattern perfectly matches SRAM's X Sync chainrings so dropped chains and cumbersome chainguides are a distant memory. The durability is impressive, too, with