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b20pv

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  1. I fitted a RockShox Bar 165mm air shock to our 24V16. Similar to ninefives's above. I found it easier to modify the motor lower mount than the top mount on the frame. Removed the stock mount from the motor plate with my angle grinder and just welded two tabs back on. Some nice Ti hardware and I think it turned out ok. The only problem with this setup is that I have to remove the plastic and the upper mounting bolt to charge/set the pressure, as the valve is too close too the frame to connect the shock pump. Pressure is set at a very low 45psi for our 7 year old, we are still experimenting with the internal air pressure and the rebound settings, but there is a noticeable improvement already. Click on the pics to zoom. Poser shot in the garden, he didn't clear that rock with crocs on his feet.
  2. Here's my take. Been dabbling with LiPos on my son's R/C rock Crawler with good results, so decided to give this a try on our 24V16 Bought two 6000mAh/20C 6S Chinese brand LiPos from the LHS. Plastic junction box from a supplier at work XT60 parallel 'Y' connector epoxied into the box This was my 1st time using XT60 connectors; I previously used Deans and bullet connectors on the R/C stuff. I found XT60s were easy to solder, but there is not enough space to insert two 12 gauge wires for the parallel Y connection. The two 12 gauge wires together were too fat, so I had to trim away some strands and generally stuff around to solder two 12 gauge wires per pole onto one XT60 connector. I experimented with different foam layers to get the batteries to lie snug in the box, finally settled on some computer mouse pads. A two hour play ride with extended periods of WOT yesterday dropped the LiPos from 25.2V hot of the charger to 23.8V. I'm quite happy so far, the weight savings are massive. I think I'll invest in a 3rd 6S to extend the ride time even more. Lots of space remaining in the battery tray.
  3. I've been researching this for ages and still have not found a suitable fork. The closest I got were some 20" RST forks which were not much better than the stock ones. I caught a glimpse of some Marzocchi forks on a bike in one of Ian's vids. This should work, but too much effort for me. http://www.advrider....ad.php?t=733874
  4. Here is another option - AVID Elixir 1 No fitment issues and the master cylinder can be flipped to allow either left or right hand, also reach adjustable. I did not measure the reach, but my 6 year old has no problems and is already wearing out the rear tire with his drive way skids. at the engagement point
  5. We've had the 24V16 Spider since Christmas 2011 and are on the 2nd set of batteries now. The 1st set did not last very long, probably 2 months or so. Reliability has been great, the only major downtime came on the 2nd ride when my son dropped the bike; As he picked it up, he accidentally turned the bars a full 360Deg and pulled the wiring right out of the throttle housing. I managed to re-solder the connections and the bike has worked fine since then. Run-time has always exceeded two hours. The cable operated disc brakes are hard to operate with little hands and are not reach adjustable. Most mountain bike hydraulic brakes will bolt right on without any modifications and together with smaller/softer grips are a worthwhile upgrade.
  6. 1st post and intro. My 5yr old son Jared from South Africa.
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