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This is the Mk5 iteration of the #mainframehugger aluminium luggage platform inspired by the original kids platform StandupforBrompton made from plywood. The latest MK6 is slightly differrent from the Mk5, which is the longer slots in the in the outer positions (next to the big corner holes), they're now slightly longer to accomodate 25 mm wide webbing and the Voilé Rack strap hooks. The other slots are long enough for the standard 20 mm wide Voilé straps, but the rack strap hooks only fit in the outer slots. If you want that you need the Mk6 and not this Mk5
The Mk5 feautures 3 ways to attach it to your frame (the Mk4 just two)
- One being the U bolts as before, but this time with countersunk stainless steel sleeve nuts, this method is for Brompton frames only. The U bolt set is included with each platform set.
- The second method is strapping it to your Brompton mainframe, stem! or saddle with Voilé straps for fast on and off your bike. Don't use this method if your kids stand on it! You can find the 12" Voilé straps in the Voilé straps section. Use two 12" Nano straps for attaching the platform to you saddle and seatpost. Use two 12" standard Voilé straps for attching the platform to you main frame.
- And the third method is for non Brompton frames and forks, bolting it to your frame or fork bottle bosses, you can use three bosses if your bike has them. If you haven't got bottle bosses you can use the King Cage Universal support bolts sold by Justpedal.nl around the corner. (when you look at it on a global scale)
The main purpose of the #framehugger is to strap a narrow (dry)bag, case, box, tent or other narrow (maybe even long) stuff safe and secure to your Brompton.
I personally use it to bring small boxes to the post office, for multi-day cycling trips, transport gas bottles for welding and brazing to the supplier for a refill. One hand to the bottle and the other hand on the bar. Don't try this at home, but it can be done ;-)
Assembly instructions:
Start with sticking the rubber patch on the main frame, approximately 12 cm from the center of the hinge and put the platform right on top, 7.5 cm from the center of the hinge, add the bolts, secure the nuts evenly, check if the platform is tight and level and you're done! The idea is that the oval chamber/cutout on the underside of the platform should be right on top of the bend section of the main frame and positioned on the rubber patch so the paint of your Brompton doesn't get damaged.
See the pics for the ultimate position. You can play with it for like max 2 cm to either side.
- Made from CNC machined 6mm thick 6000 series aluminium, for now the finish is RAW stone tumbled, (looks cool, kinda like hot zinc galvanised) or black anodised.
- platform size: 100x210 mm and 6 mm thick
Included are:
- 1 alu platform with tombstone section and 6" Nano strap
- oval piece of rubber made from used Bicycle inner tubes as a protective layer between the platform and the main frame
- 2 pc. stainless steel M8 U bolts with PVC protective hose, stainless steel nuts with countersunk heads
- 14 threaded holes (M5) for attachment of whatever you like to bolt on to it, a trumpet case maybe, a pump clamp on the underside? Two threads on either side are spaced on the standard bottle boss distance in case you want to add something which is designed to be bolted to bottle bosses.
- 24 slots for straps (for instance Voilé straps), 2 of them are open on the side to feed a long strap through the opening. The narrow slots are 22 mm x 5 mm wide
- the four bigger holes on the corners are for attaching Rok straps (seperately available in this webshop) or for feeding the straps of a rack bag through.
- CNC engraved EERDERXPLORER logo
- total weight 286 grams
- Optional extra: 14 pc. M5x12mm grip pins for adding grip to your platform just like platform pedals have...don't put your tent on top of these...