부품이 다릅니다. 돈 넉넉하면 40이죠

Frame Scott Alloy 7005 CB hydrafrom monocoque TT integrated headtube :동일
Fork Rock Shox Tora 318 Coil Spring / Motion Control 80 mm / Lockout / reb. Adj. : Scale50
Rock Shox Recon 351 Air Air Spring / Motion Control 80 mm / Lockout / reb. Ad j. : Scale40
Rims Alesa Taurus 2000 Disc / 32H W/Eyelet Black : 동일
Hubs Shimano 495 Disc CL / 32H : Scale50
Shimano 535 Disc black / CL : Scale40
Spokes DT Swiss Champion Black : 동일
Tires Scott OXYD 26 x 2.0 60TPI Kevlar Bead : 동일
Pedals Shimano PD-M505 Clipless pedal : 동일
Crank Shimano FC-M 470 hollowtech 22x32x44 T : Scale50
Shimano FC-M 540 hollowtech 22x32x44 T : Scale40
Chain Shimano CN-HG53 : 동일
Free
Wheel Shimano HG50-9 11-32 T : Scale50
Shimano LX HG580-9 11-32 T : Scale40
Bottom
Bracket Shimano ES 30 spline : 동일
Front Shimano Deore 530 : Scale50
Derailleur Shimano LX : Scale40

Rear Shimano XT 27 Speed RD-M-751 : 동일
Derailleur
Shifters Shimano Deore 535 Dual-Control : Scale50
Shimano LX 585 Dual control : Scale40
Handlebars Scott X-Rod 580 mm : 동일
Stem Scott Comp : Scale50
Scott Comp 1-1/8 : Scale40
Headset Ritchey semi inter. OE : 동일
Brakeset Shimano Deore 535 Disc 160 F & R mm rotor : 동일
Brakelevers Shimano Deore 535 Disc : Scale50
Shimano LX Disc : Scale40
Saddle Scott Racing : 동일
Seat Post Scott Comp : 동일

Weight 12kg 50 40무게는 못 찾겠네요.

40,50은 프레임은 동일합니다.색상의차이이구 가격대비 부품을 생각하시면 될듯하네요^^