미국에서 공부하고 있는 학생인데 mtb를 구입하려 합니다. 근데 완전초보라 mtb 추천 좀 해주세요. 전 Trek 4500, Cannondale F300,  Gary Fisher Marlin 중에서 고민중입니다. 그리고 여기서 보니까 27단은 사야한다고 하는데 이 제품들은 몇단이고 만약24단이라면 좋은 27단 mtb추천 바랍니다. Specialized중에서도 추천바랍니다.

Cannondale F300 : $550

Frame Furio-X, aluminum
Fork Marzocchi MZ III, 100mm-travel
Rims/Wheels Sun Black Eye
Hubs Cannondale Earth
Spokes DT Swiss Champion
Tires IRC Serac XC, 26 x 2.1
Crankset TruVativ IsoFlow
Chainwheel 42/32/22
Front Derailleur Shimano Alivio
Rear Derailleur SRAM SX5
Rear Cogs SunRace, 8-speed: 11-32
Shifters SRAM SX4 Trigger  
Handlebars 20mm rise
Tape/Grips Cannondale V-Tech
Stem Cannondale XC3  
Brake Levers Cannondale Fire
Brakes Cannondale Fire, linear-pull w/cartridge pads
Pedals Wellgo platform w/aluminum cages
Saddle Cannondale Mountain-V
Seat Post Kalloy

Trek 4500 : $500

Frame Alpha SL Aluminum
Fork RockShox Judy J1, 80mm-travel
Rims/Wheels Bontrager Camino  
Hubs Front: Aluminum Rear: Shimano RM60  
Tires Bontrager Jones ACX, 26 x 2.2
Crankset Shimano MC09
Chainwheel 42/32/22
Front Derailleur Shimano Acera
Rear Derailleur Shimano Deore
Rear Cogs SRAM PG830, 8-speed: 11-32
Shifters Shimano Alivio
Handlebars Bontrager Crowbar Sport, 25mm rise
Stem Bontrager Sport, 10-degree  
Brake Levers Tektro
Brakes Avid SD-3
Pedals Aluminum platform
Saddle Bontrager Select Basic
Seat Post Bontrager Sport

Gary Fisher Marlin : $550

Frame Gold Series butted-aluminum, Genesis Geometry
Fork Manitou Axel Comp w/lockout, 100mm-travel
Headset Sealed
Rims/Wheels WTB Dual Duty
Hubs Front: aluminum; Rear: Shimano RM60
Spokes 14g stainless-steel
Tires Bontrager Jones XR, 26 x 2.2
Crankset Bontrager Sport
Chainwheel 42/32/22
Front Derailleur Shimano Alivio
Rear Derailleur Shimano Deore
Rear Cogs SRAM 830, 8-speed: 11-32
Handlebars Bontrager Crowbar Sport
Stem Bontrager Sport
Brake Levers Shimano
Brakes Promax aluminum linear-pull
Pedals Aluminum platform
Saddle Bontrager Select
Seat Post Bontrager Sport