Here are the specs for the Trek:

SPECIFICATIONS
Subject to change without notice.
Spec Name Trek 4600
Frame Alpha SL aluminum
Fork RockShox Judy TT, 80mm travel
Headset Steel
Rims/Wheels Matrix 750
Hubs Aluminum
Spokes 14-gauge stainless-steel
Tires Bontrager ACX, 26 x 2.2
Crankset Shimano
Chainwheel 44/32/22
Bottom Bracket VP cartridge
Chain Shimano
Front Derailleur SR XCC-704
Rear Derailleur SRAM X.7
Rear Cogs SRAM, 9-speed: 11-34
Shifters SRAM X.7 Triggers
Handlebars Bontrager Crowbar Sport
Stem Bontrager AHS
Brake Levers Promax aluminum
Brakes Aluminum linear-pull
Pedals Aluminum platform
Saddle Bontrager Sport
Seat Post Bontrager Sport