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Return to the Buying Guide   We've found 117 Trek mountain bikes for you. By Price:   Under $500   |   $500 to $1,000   |   $1,000 to $1,500   |   $1,500 and over Retailers Auctions Classifieds Brand New Red Trek Top Fuel 9.9 SSL Frame, Very Light! $6.50 At: eBay 23" trek 7000 with rock shox $9.99 At: eBay Trek Liquid 30 - L Frame W/Fox Talas Rear Shock $10.00 At: eBay Trek 6500 Hardtail Mountain Bike Aluminum 16" Bycicle $10.99 At: eBay Trek 6500 frame only 15.5"size $19.99 At: eBay 2003 Trek 800 Sport mountain bike $20.00 At: eBay VINTAGE TREK ALUMINUM BICYCLE 21 INCH FRAME $29.99 At: eBay Trek Remedy 6 - Frame only (17.5) $32.05 At: eBay Trek Mountain Track 800 Mens Bicycle 21 Speed No Reserv $39.99 At: eBay Trek Mountain Track 820 Womens Bicycle 21 Speed No Resr $39.99 At: eBay Trek 220 Mountain Track Bike 24" wheels $40.00 At: eBay Vintage Trek 8500 black Easton tubing XT HS BB 20" rare $45.00 At: eBay Trek Y 5-0 carbon fiber mountain bike $51.00 At: eBay TREK MOUNTIAN TRACK 850 MENS 21-SPEED BIKE/BICYCLE NICE $61.00 At: eBay Trek 700 Mountain Bike (Purple) Nice! $79.00 At: eBay Trek Mountaintrack 800 Sport - 50 cm bike nice $89.95 At: eBay Barely used 21 speed Trek 800 Mountain Bike $99.99 At: eBay TREK 4300 ALUMINUM MOUNTAIN BIKE AT N/RESERVE ! $99.99 At: eBay TREK 7000 COMPLETE BIKE EASTON TUBING (EB#134) $99.99 At: eBay TREK 3900 18" Complete Mountain Bike $100.00 At: eBay TREK 4300 Aluminum Frame ONLY - Great Buy $100.00 At: eBay Trek 21" Gary Fisher Roscoe III Mountain Bike w/PwrTap $100.00 At: eBay Trek 820 Mountain Track 26" Wheels Mountain Bike $100.00 At: eBay Trek 820 Mountain Track 26" Wheels Mountain Bike $100.00 At: eBay Trek 820 Singletrack Series 21Speed Mountain Bike $100.00 At: eBay Trek Antelope 800 18 Speed Mountain Bike $100.00 At: eBay Trek Mountain Track 800 Black 18 Speed 26" Wheels $100.00 At: eBay Trek Mountaintrack 800 Sport - Women's 18 Speed $100.00 At: eBay TREK 850 MOUNTAIN BIKE '08 (VGC) $120.00 At: eBay Trek 700 Multitrack 21 Speed Mountain Bike $120.00 At: eBay TREK 8000 SLR S/M 16.5" Frame Superlight Disc V TEAM $149.99 At: eBay Trek 7000 Mountian bike $150.00 At: eBay Trek Y22 Carbon Fiber Y Series Mountain Bike $182.50 At: eBay Trek 850 Antelope SunTour Equipped Hybrid Mountain Bike $199.99 At: eBay Trek 8000 SLR, very clean, size small, USA made. $200.00 At: eBay Trek 6700 Mountain bike (2004) $202.50 At: eBay 2005 Trek 3500 Mountain Bike $225.00 At: eBay Ladies Trek Multi Track 7200 Aluminum Mountain Bike $229.00 At: eBay Trek 4900 Mountain Bike $249.00 At: eBay Trek 4300 Alpha 13" 33cm 8 speed Mountain Bike $250.00 At: eBay Trek 3700 aluminum mountain bike $269.00 At: eBay Trek Girl's MT 60 $289.99 Retailer: Brands Cycle Trek Fuel EX 7 LSD mtb Shimano XT Hayes disc brakes $299.99 At: eBay Vintage Gary Fisher Supercaliber Pre-Trek Mountain BIke $299.99 At: eBay TREK ALPHA 4300 XC HARDTAiL MTB MOUNTAiN BiKE BiCYCLE $300.00 At: eBay Trek 1000 50 cm Road Bike nice $329.95 At: eBay Trek Fuel Ex 9.5 Carbon 19.5" Must See! XTR FOX NR! $345.00 At: eBay Trek Y50 bike (beautiful) Black and red $350.00 At: eBay Trek Fuel EX 9.5 frame with top of line upgrades $387.00 At: eBay Trek 8000 Aluminum Mountain Bike..Shimano Deore LX.. $392.00 At: eBay TREK 4500 ALPHA SUPER LIGHT DEORE JUDY 19.5 FRE SHIP $399.00 At: eBay Brand New Trek Liquid 65 Frame with Shock and Pump $399.99 At: eBay Trek 6700 WSD (Women's Specific Design) - Size 18 $399.99 At: eBay 2009 Trek 8500 Size 17.5 (M) Getto build $400.00 At: eBay Trek Liquid 25 Mountain Bike $405.00 At: eBay Trek 3700 SE $419.99 Retailer: Brands Cycle TREK Y11 Carbon Fiber. Full susp. Mountain Bike $426.00 At: eBay Trek Fuel 70 Full Suspension Mountain Bike $429.99 At: eBay TREK 4500 SUPER LIGHT F&R DISC DEORE 24 SPD FREE SHIPNG $439.00 At: eBay 2008 TREK TOP FUEL 9.9 SSL 19.5" CARBON FRAME AND SHOX $448.44 At: eBay Schwinn Searcher GSL Trekking Bike - U.S. Exclusive $449.00 Retailer: Performance Bike 2009 Fuji Sunfire 3.0 Trekking Bike $449.99 Retailer: Performance Bike Trek Skye S $459.99 Retailer: Brands Cycle TREK 8900SL XTR ROCK SHOX SID HUGI ICON $465.00 At: eBay Trek Fuel 80 $490.00 At: eBay 2003 Trek Fuel 90 - large mtn bike $500.00 At: eBay 2003 Trek Fuel 98 Carbon Shimano Full Suspension Sid $500.00 At: eBay TREK 6500 CRAZY COLOR JOB. YOU CANT GET THIS ANY MORE! $500.00 At: eBay Trek womans mountain bike $500.00 At: eBay Trek 3900 Disc $529.99 Retailer: Brands Cycle Trek Skye SL $529.99 Retailer: Brands Cycle TREK 7000 Customized Men's Mountain Bike 24 Speed $539.95 At: eBay 2005 Trek Fuel EX7 WSD ridden very little $600.00 At: eBay Trek 4300 Disc $639.99 Retailer: Brands Cycle Trek Skye SL Disc $639.99 Retailer: Brands Cycle TREK 8000 SLR mountain bike XT Rock Shox Shimano *NICE* $645.00 At: eBay WSD 18" Trek 6500 Mountain Bike $650.00 At: eBay Trek 7900 Carbon MultiTrack $750.00 At: eBay Trek Y 5-0 Carbon Fiber Mountain Bike $750.00 At: eBay 2006 Trek Fuel EX 9.0 Carbon Aluminum X-0 Never Used $760.00 At: eBay Gary Fisher Sugar 2+ 19" Large Frame specialized trek $800.00 At: eBay Trek Top Fuel 98 Mountain Bike 2006 $800.00 At: eBay Trek Remedy 7 Large Mountain Bike 2009 $830.00 At: eBay GT Transeo Ultra Trekking Bike - U.S. Exclusive $899.00 Retailer: Performance Bike TREK (FUEL EX 6) MOUNTAIN BIKE/CYCLE+EXTRAS/USED 5x $899.00 At: eBay 2007 Trek Fuel EX 8 Mountain Bike Minimally Used $910.00 At: eBay 2008 18 Trek Fuel EX 8 WSD Mountain Bike Shimano XT Fox $910.00 At: eBay TREK POLICE BIKE NEW BEST MOUNTAIN 2009 HARDTAIL BIKE $990.00 At: eBay 2009 TREK Fuel EX 7 - Large $1,000.00 At: eBay 2009 TREK Fuel EX 7 - Medium $1,000.00 At: eBay 2009 TREK EX8 MTB FOX SHIMANO VERY NICE BICYCLE $1,025.00 At: eBay Trek 8500 2009 Mountain Bike All XT Great Condition $1,125.00 At: eBay Trek Top Fuel 98 2006 $1,249.99 At: eBay 2009 Trek Elite 9.9 SSL Carbon hardtail NEW NIB 17.5" O $1,250.00 At: eBay 2008 Trek Fuel EX8 17.5" Med EX 8 Fox Float Shimano XT $1,325.00 At: eBay TREK Elite 9.8 Carbon OCLV Hardtail Mountain Bike 17.5" $1,499.00 At: eBay Trek Fuel 100 with CHRIS KING HUBS and HEADSET $1,500.00 At: eBay Trek Fuel EX 9.0 $1,500.00 At: eBay 2009 Trek Fuel EX 9.9 Mountain Bike SRAM 19.5" LARGE $1,525.00 At: eBay Trek Fuel Ex7 19.5" 2009 Full Suspension Mtn Bike EX 7 $1,575.00 At: eBay 2009 19.5 Trek Fuel EX 8 Mountain Bike $1,626.00 At: eBay 2009 Trek Session 88 $1,699.00 At: eBay TREK Fuel EX 9 NEW PARTS! 2008 2009 21.5” EX 9 $1,700.00 At: eBay Trek Top Fuel 9.9 2007 (MUST GO SOON!) $1,800.00 At: eBay 2008 Trek Top Fuel 9.9SSL 17.5 inch $2,000.00 At: eBay 2008 TREK FUEL EX8 17.5" MOUNTAIN BIKE BICYCLE COMPLETE $2,299.99 At: eBay 2008 Trek Elite 9.9 Team Issue Carbon Hardtail Sub 20lb $2,500.00 At: eBay TREK REMEDY 8 2008 19.5" $2,650.00 At: eBay Trek Session !CHEAP! $2,700.00 At: eBay 2010 Trek Top Fuel 9.9 SSL Frame 17.5 Brand New $2,900.00 At: eBay 2009 Trek Top Fuel 9.9 SSL, 18.5", XTR, Rockshox, XLNT! $3,000.00 At: eBay 2009 Trek TOP FUEL WSD Size Med (15.5") !FULL CARBON! $3,100.00 At: eBay Trek 19.5" Custom Fuel Carbon Full Suspension MTB $3,199.00 At: eBay Trek Elite 9.9 SSL $3,500.00 At: eBay TREK FUEL EX 9.9 19.5 2009 MOUNTAIN BIKE BARELY RIDDEN $3,799.99 At: eBay Trek Top-Fuel 9.8 2009 XT 18.5 SID Race Race X-lite $3,799.99 At: eBay Trek Top Fuel 9.9 SSL 2009 Shimano XTR FSA Bontrager $4,400.00 At: eBay