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  1. S

    How good is Cyclone 4kw coaxial suspension bike?

    Does anyone have a photo of the 60amp controller Underside ? I blew some mosfets. And need to repair
  2. S

    How good is Cyclone 4kw coaxial suspension bike?

    Hey tomm Where are you getting kmc e9 chain for $25 ? Its costing me about 80. Only chain worth buying.
  3. S

    How good is Cyclone 4kw coaxial suspension bike?

    The new one i ordered had better welds, but i still beefed it up with a bigger fillet weld. Running up to 80 amps is the killer. I have backed it off to 70, its a big difference in agressive acceleration but still just as much fun. I would say 80amps is really pushing it. On a full charge under...
  4. S

    How good is Cyclone 4kw coaxial suspension bike?

    I have a 3000w kit on another bike. And it is no where near as reliable as the coaxial. I only get about 100 hours before the motors blow. So far i have blown 4 of them at 40 amps. The coaxial leaves it for dust.
  5. S

    How good is Cyclone 4kw coaxial suspension bike?

    Update after 2.5 years of use. Hi. So after lots of uphill jumping and about 80kms a week and now on second battery, the mechanics and motor are still good. I run @ 80 amp peak, on a steep accent its 80amps for a good few minutes flat out in first. One thing that was starting to fail is the...
  6. S

    How good is Cyclone 4kw coaxial suspension bike?

    Hi tomm. I glued cells together with liquid nails. Gives me plenty of time to move them around while configuring the pack.sets overnight. Using an 80w iron and pushing in solder quickly. 3 seconds max contact. And cool off with air immediately after each connection. I practiced on some cheap...
  7. S

    How good is Cyclone 4kw coaxial suspension bike?

    Li ion with bms batteries I have concluded are much like airbags. There's a lot of fear about not having a bms. I think it's more aptly named BS. I've made 4 packs so far. The first pack 160 x 18650 cells. And i was absolutely paranoid about the dangers i read about. The bms was every problem i...
  8. S

    How good is Cyclone 4kw coaxial suspension bike?

    Enric, there is no curved frame version. The alloy curved frame isn't sold as far as I know. I have one of the first frames it has 10mm drop out. I now have converted to 12mm through axle. The current frame has a 10mm through axle and no drop outs. I have the 60amp controller. You can order the...
  9. S

    How good is Cyclone 4kw coaxial suspension bike?

    Automatic clutch setup. It is a brake sensor that fires when the upshift level is pulled. This stops the motor for a second but the drivetrain inertia completes the gear change. By the time the motor picks up speed again it is all done.The higher rpm the better it works. See it in action...
  10. S

    How good is Cyclone 4kw coaxial suspension bike?

    I've done alot of kms on mine so far on trails. Something to watch is the rear derailleur. I was using a 50t rear cassette and a microshift marvo derailleur. After a lot of abuse the derailleur alignment got crooked and because the chain speed is much faster than anyone could pedal. The...
  11. S

    How good is Cyclone 4kw coaxial suspension bike?

    Ask paco. If you buy a kit. Its chromolly. The CAD drawings are of the chromolly one. I think the alloy ones are their first proto type frames and not sold. I got one of the first kits. The newer one has different rear frame parts with plastic bushings on the pivot plate. And bigger stronger...
  12. S

    How good is Cyclone 4kw coaxial suspension bike?

    https://youtu.be/c2c6yU0S0Rw I am now 100% satisfied with my set up. Rear cassette. 9 speed 11- 50t sunshine. KMC x9e chain. Shunt mod up to 100 amps. Runs nicely at 70amps no heating issues. Temperature controlled fan inside controller set at 65 deg C. The most used gears are 42t and 36t on...
  13. S

    How good is Cyclone 4kw coaxial suspension bike?

    Hi. I have my bike set up perfectly now. At 65 amp peak and 72v nominal With 22 chainring and 46t , 40t, 34t and so on rear cassette. It will climb 45degrees at high speed in first gear. 44/22 is 2:1 ratio thats 260Nm torque You are running 390Nm of torque on bike parts. Thats the same as a 6...
  14. S

    How good is Cyclone 4kw coaxial suspension bike?

    https://youtu.be/QgNdk7yTdfk From 3 min on is best viewing. The other bike is a 3000w mid drive.
  15. S

    How good is Cyclone 4kw coaxial suspension bike?

    One thing thats needed when buying this kit is the rear hub is 170mm. You will need a 170mm fatbike hub and they are not so cheap for something descent. And youll have to lace the wheel.
  16. S

    How good is Cyclone 4kw coaxial suspension bike?

    Hi, The controller is stated as 60 amp. But i think it is the 40 amp with a bigger shunt. Looks identical inside and the same number of fets. I ran a 3000 at 48v on my first bike. I upgraded to 72v asap. Higher volts means higher speed. For a really high torque combo and low speed i found...
  17. S

    How good is Cyclone 4kw coaxial suspension bike?

    Hi, It has the same gears internally as the 3000. The front chainring is 22t up to 42t I have ordered 3 fans. Yeah racing. 25mm to go directly into the controller ( with the controller inside the battery box, it is clear of water) So the fan will line up with the fets bus bar and a filter at...
  18. S

    How good is Cyclone 4kw coaxial suspension bike?

    Photos of controller cooling ducts 2 Air scoops funnel the air into the controller cavity. Then exhaust through the back of the box through the silver grills. Im thinking of fans inside, forcing air out of the box
  19. S

    How good is Cyclone 4kw coaxial suspension bike?

    Heard back from paco. Increase the cooling and run an amp meter. The controller is suppose to sit infront of the bottom bracket. But i would smash it on a log. With the 3000 i ran the controller the same way, in the battery box, never had an issue, even on a 40 degree day. But this bike is...
  20. S

    How good is Cyclone 4kw coaxial suspension bike?

    No video yet. Still sorting out bugs. The controller is giving me greif. It shuts down on thermal protection at 110deg c But its 20 degrees wrong. Actual temp is 90deg c Theres no options to calibrate amps or temp. I'll try paco and see what he or she thinks. So i took it up the mountains and...
  21. S

    How good is Cyclone 4kw coaxial suspension bike?

    First ride. So finally finished the wiring and took it for a test spin. Still have a few settings to finish, but it hammers at 40 amp. Compared to the 3000w kit at 84v , its so much better. The gearing is alot more spread out. At about 50kph its in 4th gear ( its fast) and quick enough. Theres...
  22. S

    How good is Cyclone 4kw coaxial suspension bike?

    These bikes are similar in performance to say a 125cc motor bike at 70lbs. A 125cc bike weighs about 250lbs. So it maybe on the heavy side for savage downhill. But it will out manover a 125cc motor bike. A chromoly frame won't fatigue and break like 6061 aluminium. Essentially its a very nimble...
  23. S

    How good is Cyclone 4kw coaxial suspension bike?

    I made a plug from 2 part expanding foam. Coated in resin and polished. Then the mold. then the parts Took forever. Once i had the carbon skins. I made plaster air ducts and laminated the inner skin. Cut the duct holes then washed out the paster. I wouldn't do it again. Cyclone should make a...
  24. S

    How good is Cyclone 4kw coaxial suspension bike?

    Photos of almost finished elite bike. The carbon fibre battery box has nostrils to cool the controller. Air flow travels up hill so water doesn't enter. Its hard to tell in the photo. But the bike is huge. These are 29er rims with 2.4" tyres.
  25. S

    How good is Cyclone 4kw coaxial suspension bike?

    Its not the same motor The length of the winding loops and magnets are longer. The body is steel not aluminium like the 3000. Its a also much heavier. It should put out alot more torque than the 3000.
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