minx Posted May 31, 2017 Share Posted May 31, 2017 I spotted this bike at Donington. What a beauty. Looking at the swing arm and the shock setup, I've got one the same in the workshop with an EFE lump hulked in there very loosely. Does anyone recognise the modification? Was it early Harris? Here's the sexy version that's not buried in a dark corner of a shed .. Quote Link to comment
vizman Posted May 31, 2017 Share Posted May 31, 2017 dresda or an early harris kit i was thinking.....but i have no idea, just guestimations. Quote Link to comment
Blubber Posted May 31, 2017 Share Posted May 31, 2017 it looks like a davida moto swingarm ( maybe inspired by it ) but fitted up side down. 1 Quote Link to comment
vizman Posted May 31, 2017 Share Posted May 31, 2017 both set-ups (the bike pictured above and the one we have) are the same, so i was guessing they were an early 'kit' from someone like metmechex/davida/dresda/etc, i say early as it's steel as opposed to aluminium.... ....but i'm just guessing....i should've taken time out to find the owner at Donny. Quote Link to comment
wraith Posted May 31, 2017 Share Posted May 31, 2017 Looks like Moto Martin to me Quote Link to comment
Jonboy Posted June 1, 2017 Share Posted June 1, 2017 Saxon Engineering produced a mono conversion for Gss at one point, was just looking at the adjusters and i is sure that Davida had a through axle with external nut and not a spindle held by m8/10 cap head each side. Maybe wrong, but just throwing it in the mix 1 Quote Link to comment
Swirl Posted June 1, 2017 Share Posted June 1, 2017 my first thoughts where Davida, but I'm no expert Quote Link to comment
vizman Posted June 1, 2017 Share Posted June 1, 2017 similar style, but this is a purpose built monoshock rear arm (harris style) for the gs, not a flipped over bottom braced arm, so i'll investigate the saxon route. Quote Link to comment
jb Posted June 1, 2017 Share Posted June 1, 2017 I think its a jmc conversion, seen them before but not for years.... there early swingarms were steel almost identical to the davida arm 1 Quote Link to comment
Sheep Posted June 1, 2017 Share Posted June 1, 2017 Could you not 'overbrace' a conventional arm in a similar way??....It looks pretty simple 1 Quote Link to comment
vizman Posted June 1, 2017 Share Posted June 1, 2017 40 minutes ago, Sheep said: Could you not 'overbrace' a conventional arm in a similar way??....It looks pretty simple yup, but that's not what the post is about...... ....big sigh...roll eyes.... .......we have this set-up already, we was wondering who was the manufacturer was or indeed is. 1 Quote Link to comment
buff Posted June 1, 2017 Share Posted June 1, 2017 (edited) Looks like a Davida Moto conversion. Although im sure the adjusters used to have an outer lip on them. Edited June 1, 2017 by buff Quote Link to comment
vizman Posted June 1, 2017 Share Posted June 1, 2017 23 minutes ago, buff said: Looks like a Davida Moto conversion. Although im sure the adjusters used to have an outer lip on them. we also have outer lip adjusters 1 Quote Link to comment
Fazz711 Posted June 1, 2017 Share Posted June 1, 2017 Early JMC conversion. I think. It looks like one that a mate had done a long time ago. Quote Link to comment
Sheep Posted June 2, 2017 Share Posted June 2, 2017 Just re-read original post...d'oh.sorry .... 1 Quote Link to comment
jb Posted June 2, 2017 Share Posted June 2, 2017 found this in a 1988 PB mag, these are all alloy but the idea is exactly the same, the steel version would have been a budget/earlier product i reckon 1 Quote Link to comment
Duckndive Posted June 2, 2017 Share Posted June 2, 2017 I had an et with a JMC monshock conversion as that ad.. i can only say I,m glad I never bought it new as it was like riding a pogo stick ....replaced it with a bandit mono shock and arm.... 1 Quote Link to comment
yoshi Posted June 18, 2017 Share Posted June 18, 2017 (edited) thats a davida moto arm i had one on a gs750 years ago mine was a twin shock one Edited June 18, 2017 by yoshi missing words Quote Link to comment
Brad Posted October 5, 2017 Share Posted October 5, 2017 (edited) Just spotted this post @minx@vizmanthe one in the pic in your original post is different to the one in the pics you sent me. Yours looks the same as mine, the one above has square section where ours is round, the eccentric adjusters are a bit different and the spindle set up is a bit different. The one above is for sale at the moment in a facebook group and the owner says its a Dresda swingarm conversion. I've started a new job and they haven't got any work for me yet so I've been involved in some fairly extensive googling, reading old posts on here and buying stuff on Eblag. Edited October 5, 2017 by Brad typos 1 Quote Link to comment
vizman Posted October 5, 2017 Share Posted October 5, 2017 @Bradours is round (only just noticed that first pick has a square brace)....i'm having a 'tydy-up' and dragged the efe/gs out for better pics. does it look like your arm? Quote Link to comment
Dezza Posted October 5, 2017 Share Posted October 5, 2017 It's not Harris. I would bet on a modified Davida Moto swingarm from the mid to late 80s. Shame magnets don't work on pictures. Davida arms are steel whereas those from JMC etc are alloy. Quote Link to comment
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