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Klein Mountain Bikes

Klein is a bicycle making founded by Gary Kein. Gay Kein was a pioneer in oversized aluminum tube bicycle building. He developed many building techniques when he was an engineering student at MIT. Klein was purchased by Trek in 1995 and there's recently been rumors of Trek abandoning the Klein brand.

Klein has always put an element of refinement and hand-crafted quality into their mountain bike frames. The Attitude line of mountain bikes is a fine example of this. All tubes of the aluminum Klein Attitude are highly manipulated and butted to provide maximum weight savings as well as refined ride. The Kein Attitude hardtail has been praised for it's racy demeanor, agile handling, light weight, climbing prowess and superior paint job.

Klein mountain bikes should be a consideration of any rider who's looking for a super efficient, super smooth climber. They're also appealing for the rider who wants that hand-crafted attention to detail, but doesn't quite have the cash to go full-custom.

1992 Klein Attitude, Horizon Fade, MC1, XT, Rare, Survivor.
1992 Klein Attitude, Horizon Fade, MC1, XT, Rare, Survivor.
   $1,999.00
Klein Quantum Race
Klein Quantum Race "Rocket" Super Rare Ultegra Groupset Showroom Condition
   $975.00
Vintage Klein 1993 MC1 Attitude Sea & Sky Uncut Mission Control - MC1  US Retro
Vintage Klein 1993 MC1 Attitude Sea & Sky Uncut Mission Control - MC1 US Retro
   $1,775.00
Klein Rascal Shimano Decore XT Bicycle Bike Vintage NICE
Klein Rascal Shimano Decore XT Bicycle Bike Vintage NICE
   $999.99
Klein Quantum II Racing Bike
Klein Quantum II Racing Bike "Red"
   $350.00
Vintage Klein Attitude V Mountain Bike 19
Vintage Klein Attitude V Mountain Bike 19" LARGE Aluminium Shimano XTR RockShox
   $1,068.29
Klein 64cm 1980s Road Bike With Shimano Components
Klein 64cm 1980s Road Bike With Shimano Components
   $749.00
KLEIN ATTITUDE RACE MOUNTAIN BIKE
KLEIN ATTITUDE RACE MOUNTAIN BIKE
   $799.95
KLEIN RAVE Aluminum CARBON Road Bike Shimano ULTEGRA 105 10 SP MADE IN USA NICE
KLEIN RAVE Aluminum CARBON Road Bike Shimano ULTEGRA 105 10 SP MADE IN USA NICE
   $768.87
Klein Quantum II Race Road Bike 57cm - Look Pedals - Shimano 600 - Matrix Rims
Klein Quantum II Race Road Bike 57cm - Look Pedals - Shimano 600 - Matrix Rims
   $454.99
Klein TOP GUN ~Original Factory Top Gun-1989, Campagnolo Thorr- MINT -US Retro
Klein TOP GUN ~Original Factory Top Gun-1989, Campagnolo Thorr- MINT -US Retro
   $2,799.00
Klein Road Bike
Klein Road Bike
   $500.00
Vintage 1995 Klein Quantum Road Bike 55cm MEDIUM Aluminium Shimano 600
Vintage 1995 Klein Quantum Road Bike 55cm MEDIUM Aluminium Shimano 600
   $695.37
Klein Attitude Bullseye Cook Brothers Rockshox Ringle  Time capsule!!!!!
Klein Attitude Bullseye Cook Brothers Rockshox Ringle Time capsule!!!!!
   $2,200.00
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Featured Klein Mountain Bike Video

This video looks to be a little dated, but there is some good footage of a couple guys rippin' it on Klein Attitude hardtails.