Radio Fox Frame

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SKU fm3636
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Available in both a 20.6” or a 21.1” version, both frames have proportional geometry allowing smaller and bigger riders (like Brian) to benefit from geometry that caters to them perfectly. Includes beefed up but light tapered tubing allowing it to hold up to everything you could put it through, without weighing you down.


Material butted, seamless 4130 crmo tubing
Top Tube Length20.6″ & 21.1″
Chainstay Length12.8″-13.3″ (20.6″) / 13″-13.5″ (21.1″)
Standover Height 8.5″ (20.6″) / 9″ (21.1″)
Head Tube Angle 75°
Seat Tube Angle 71°
Headtube Size 117mm tall, CNC machined and heat-treated, int. h/set, holes for gyro tabs
Bottom Bracket Height 11.6″
Bottom Bracket Size Mid, 74mm wide
Dropouts CNC machined 6mm thick and heat-treated
Features Brian Fox signature frame, perfect all-around geometry, proportional geometry on 20.6″ & 21.1″
Weight 5lbs (20.6″), 5.2lbs (21.1′)
NEW Pivot-3 removable brake mount system 
PLEASE NOTE brake hardware and mounts available separately