XDS Cross 7.2 30spd MTB Bike Bicycle Basikal 27.5

WEE9858

如题，小弟现在骑着POLYGON 26“轮 8度牙，朋友骑着XDS Cross 7.2，很不错一下，

Frame: XDS 6066 Ultralight 17" , 15" 27.5

Fork: SR Suntour XCR V4 RLS

Groupset: Shimano Deore Shifter, Front Derailleur,

Rear Deraiulleur: Shimano XT

Crankset: Shimano Deore 42-32-22T Hollowtech II

Brakeset: Shimano Non-series Hydraulic Disc

Wheelset: Novatec Sealed bearing hubs

朋友说RM2600换SMART SAM27.5x2.1轮和PLUSH-COMFORT SADDLE,POUCH,LED LIGHT.
请问买的过吗？