Radical Design Cyclone IV Chubby Trailer

Availability: In stock

The Radical Cyclone IV Chubby trailer is one of our best selling items.  It is an extremely versatile trailer with a padded bag that can be used to travel with a folding bike and then roll off into the countryside.  Now you can travel by plane, with your bike safely packed inside the padded bag and upon arrival, just take out the bike, put your luggage in and connect the Chubby to your bike.  Now you have a comfortable travel setup with 100 litres of storage.

The Chubby is specifically designed to fit compact folding bikes like the Brompton. The bag is large enough to fit a number of folding bikes and the very slick hitch system will work with a huge variety of bikes.  

The tires for the trailer are the same as for the Brompton so you don't need a separate spare.   And you can use the trailer tire as a spare for the Brompton in an emergency.

Note: the included hitch is designed specifically for the Brompton.  Other bikes may require the use of the universal hitch - sold separately.

  • A 2-wheeler that keeps itself balanced without affecting the behavior of the towing bike
  • Tow bar connects to the bike's rear hub
  • Industrial closed bearings in the wheels ensure miminal rolling resistance and maximum security
  • Wheels can be inserted into the rear axle bushings to be used as a walking trailer 
  • Tow bar and wheels detach with a twist of the hand, leaving only a big duffel bag
  • Rain cover included

Chubby demo video

Dimensions L x W x H 118 x 81 x 50 cm / 47.2 x 32.4 x 20 "

Dimensions stowed L x W x H 78 x 63 x 10 cm / 31 x 25 x 4 "

Dimensions of bag L x W x H 78 x 63 x 30 cm / 31 x 25 x 12 "

Dimensions of the frame L x W x H 78 x 63 x 2.86 cm / 31 x 25 x 1.2 "

Capacity 100 L (6102 cu in) / 40Kg (88 Pounds)

Weight 6 kg (13.2 lbs)

Max Payload 40 kg (88 lbs)

Tire Specifications 16 ", ETRTO 37-349 (same as Brompton tires)

Material bag 1000D Cordura lined with Polyamide 210D ripstop

Material frame 6061T6 alloy, stainless steel

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