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1986 Schwinn Cimarron Mountain Bicycle Frame 21"

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High quality Schwinn MTB frame for your project!

1986 Schwinn Cimarron Mountain Bicycle Frame 21"

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You could be the proud owner of this 1986 Schwinn Cimarron mountain bike frameset. It is a second year Cimarron; at that time Schwinn's top mountain bike. Schwinn's Cimarron frame was constructed from 4130 Cro-Moly double butted steel tubing, the fork is a Tange 4130 Cro-Moly Unicrown and the headset is an alloy Tange TR2000ALG. The top and down tubes are ovalized at the head tube and fillet brazed. The joint between the seat tube and top tube is lugged, as is the bottom bracket. The seat stays are set up for cantilever brakes. With some TLC this MTB would make an excellent project bike.


This bike has seen some abuse and is in rough condition. The paint is badly scratched and there is surface rust in many places. The seat tube joint and the rear brake mounts have been rewelded at some point in this frame's life however we're are not certain why or when.

This frame is being sold as is. Please see photographs for details. ***NOTE*** This is being sold without the fork, although the fork is shown in some pictures.


Seat tube: 21" center to center
Seat post diameter: 27.8mm
Top tube: 23" center to center
Head tube: 1"
Headset accepts a 22mm stem
Bottom bracket: 68mm
Actual weight: 7lbs 10oz

Serial # SL5049_7 (obscured by a scratch)
Reference #80638

Additional Information

Year 1986
Gender Mens
Color Green
Size N/A
Speeds No
  • Project Bike
  • High Quality
Frameset Steel
Components No
Drivetrain No
Manufacturer Schwinn
Decade 1980s
Country of Origin No
Bike Number 80658
Serial Number SL5049_7
Used or New Used
Can be seen at 1201 Regent Street - Call 608-286-9111
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