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Yeah ,Three years ago I converted my Rockhopper with a 250 /1000 watt kit and use one torque arm that I bought on-line it looks like this

Yeah I converted my Specialized Rockhopper with a 250 /1000 watt kit , and used one torque arm on the rear . I bought it on line it looks like this

Why not do a conversion on your stumpjumper ? for 500 quidish ...

When I did my conversion on my Rockhopper I thought at first that I would have a lighting system powered by the main battery but after thinking about it ,I don't do much night riding and to preserve the range of the bike I opted for a front and rear LED lights with their own rechargeable...

Nice job ..it looks very well made ...how thick is the steel tube you used for the frame ...did you have it secured in a jig when you welded it up , to prevent distortion ? ....

Yes when I lived and worked in the UK, my commute was along a shared route next to a canal ....and the pedestrians were so un aware of anyone around them or behind them it made it very tricky ...I adopted the dis -mount and walk passed with a loud "pardon me "and "sorry can I just "....if I rang...

In the photo it looks like the tyre is the wrong size for the wheel ...it looks like a 27.5 on a 26 wheel ...

Yeah this came up on my facebook feed , there does not seem to be any reviews or much technical details ...very hard to tell from the sketchy details on the web page what they are like ...any one on here bought one ....

cwah ....Torque arms have been in use for years , if they are made accurately and well fastened to the chainstays and the drop out , they are bombproof ... it's not a slot ,its the shape of the axle and it fits the profile of the axle perfectly ,then a lock nut is tightened down .It...

If you make the hole that your axle goes through a good fit so the axle can't slop about you don't need any bolts to clamp it drilling and bolting makes it weaker ..have a look at my drawing in my previous post (click it once to see it full size) you will to this on both sides ...to make...

Yeah ..I think if you weld it , it's always gonna be a weak point ..I think I would make a new one out of some beefy flat bar Mild steel is tough enough some stainless grades can be very brittle . Drill two holes and file the flat between them to fit snuggly over your axle rather than...

James , on my rockhopper the magnetic disc was too thick to fit between the crank and the bottom bracket ...so I fixed it to the granny gog with epoxy glue on the other side then mounted the pas sensor underneath the bottom bracket glued on a strip of metal screwed on with the plastic gear...

Hi M1.. I too never thought I would get old , I turned 65 last year so I converted my rockhopper with a Chinese kit and I love it ...buzzing about the hills in Eastern Crete. My next project is to get a solar battery charger rigged up ,we have plenty of sunshine ..

What are they talking about ?...when you reach the 15.5 whatever speed you drop down a gog and wizz along with little or no effort ....No way is anyone gonna sign such a badly worded petition ...

I had a problem with jerky PAS ...on a kit I bought from theebikemotor.. PAS would cut in and out with no warning and make a smooth ride impossible, I messed about with the distance between the sensor and the disc , tried the disc one way round and the other way round still jerky... Then...

Yes my converted rockhopper does that as well I tried the sensor both ways and it was the same ...I had a bit of trouble getting the PAS to work smoothly when I first did this conversion ...the magnet disc has eight magnets , changing the settings on the LCD for twelve magnets made the PAS much...

Hi what about converting your bike rather than buying a new bike?

700 quid to fit a tow bar sounds OTT...

What about a Torque arm ? ..When I did my conversion I fitted one like this. Edit beat me to it ....

Yeah I had to glue the magnet disc to the granny cog on my Rockhopper ,I used a two part epoxy ,then I made a new bracket for the sensor that I fastened under the plastic guide for the gear cables under the bottom bracket ..I had to get the gap down to 1.5 mm before the pas would work...