The challenger 300 is configured as follows:
Frame: 13 Merida patented HFS hydraulic integration technology aluminum alloy frame 14 Merida patented HFS hydraulic integration technology aluminum alloy frame.
Fork: 13 SRAM rockshox XC28/TK hydraulic lock fork 14 tee XCM 100MM hydraulic lock fork.
Oil pan: 13 Yan Hao TEKTRO Traco oil pan 14 Shimano M355 oil pan brake.
CD-ROM: Tektro 13+060mm 14 Shimano RT54.
Transverse handle:13 x-mission31.8mm black aluminum alloy straight handle 14 Merida.
Deputy handle: 13 X-mission 22.2mm black aluminum alloy 14 Merida
Flower drum: 13 formula Pei Lin quick release aluminum alloy disc brake flower drum 14 Shimano disc brake
Tyre:13maxx1.9514maxx1.95.
Seat tube:13x-mission31.6mm black aluminum alloy 14 Merida comp alloy 31.6d.
Cushion: Merida Challenger 13 Merida 14
Flywheel: 13 Shimano HG20-9S 14 Shimano1-32t.
Front transmission: 13 Shimano ALIVIO M430 14 Shimano M390.
Rear transmission: 13 shimano ALIVIO RD-M430 14 shimano M390.
Speed control lever: 13 Shimano Alivio M430 and 14 Shimano M390.
Toothed disc crank: 13 Shimano ALIVIO M390 14 Shimano M39 1 three-toothed disc crank.
13 is better than 14, and 13 is 3-400 yuan more expensive than 14.