group formed by levers and calipers sram apex, mechanical change and hydraulic brake, change and sram rival crankset 172,5mm and 40t chainring, sunrace 11v 11/42 cassette for HG Shimano/sram hub and sram pc1110 chain with 10 uses, all in pre-owned condition, levers and brake calipers have 5 months of use, the rest of the pieces, less than a year.