Radical 406 The most fun way to do some last minute shopping. This is an agile bike with 20" wheels and front and rear suspension. The suspension increases the available amount of road-surface, improves road-holding and braking, and offers much more comfort.

The bike was designed in '87 and has been available -in limited quantities-from 1991. The majority wound up in Germany and Switzerland, but they can be found as far as Japan. I prefer the bike without accesoiries, but all frames come equiped with mounting points for lights, propstand, mudguards, front- and rearcarriers and a waterbottle. Most frames are built up with a racing groupset and MTB handlebars and brakelevers. Sachs 3*7 is also popular, but a hubgear without chaintensioner is not possible.
There is also a Monotube version available, with a low stepover height

Habitat Recommended for citylife and commuting
Front suspension Swingarm with antidive, active suspension with lots of hydraulic damping, 2" of travel and little stiction. The geometry of the swingarm (up and away) is very good on bumps. The pistonrods of the dampers are protected by the MCU springs, The damper pivots on maintenance free silent-blocks, and the pivots are constructed with teflon coated bushes which can easily be replaced.Cantilever brake with crosspull hardware (V-brake avant la lettre)
Rear suspension Trailing swingarm with pivot above the chain and 2" travel. Shock absorber as above, and the stainless steel pivot axle runs on teflon bushes. Cantileverbrake with powerhanger
Construction Cro-mo frame from selected Columbus and Mannesmann tubing. Filletbrazed
Geometry 72degrees parallel
Wheelsize standard 406 mm (20" BMX), optional 440 (500A)
Axle-spacing 100-130 mm (F/R
Chanwheelsize 53T max with, 68T max without frontchanger
Headset 1"BSC Primax Needlebearing (included)
Framesize Toptubelenght 540 or 570 mm
Seatpost  29.4 mm, 400 mm recommended
Brazeons Frontchanger, cablestops for brake and derailleurcables, botlecagebosses, dynamofitting and eyelets for wiringloom, propstandmounting, carriermountings.
Finish Two layer powdercoat (red)
Weight approx 12 kgs without, approx 15 kgs with bells and whistles
Options 400 mm seatpost, Rear carrier, Front carrier, propstand, mudguards, lights, 440mm wheelsize, Custom suspension settings
Delivery time Standard from stock, special orders (incl painting) 8 weeks minimum 

Built up bikes to customer specification quoted upon request Frames are supplied with fitted headset and chased bracketthreads.