Question about Dynacraft Cycling
Have dynacraft 20 in trouble maker trying to remove rear wheel only one gear removed the two bolts but the wheel does not pop off so I can remove the tire, also the chain will not disengage
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Posted on Jan 02, 2017
Make sure you follow the directions carefully. You might try leaving the flat washers out or substituting thinner ones. Worse case you will have to go to a bicycle shop and purchase a longer axle. Make sure you keep careful track of how you disassembled it and take pictures or make drawings. The hardest part with replacing an axle is getting the proper resistance on both sides so the bearings don't bind. Check www.sheldonbrown.com for some helpful articles.
Posted on Aug 03, 2009
has the bike been in an accident recently? you can flip it over and spin the back wheel to make sure that wheel is "on center". if the wheel is not bent then u can just unloosen the back wheel then re-align to the center and tighten.
Posted on Jul 29, 2010
The problem is witht he flywheel on the rear wheel assembly. I had mine fixed by a professional last night (at a bike store). Razor uses a very cheap spring that is designed to fail and then to top that off did not use enough bearings as well (12 bearings short out of the factory). My son had also sprayed WD-40 all around the back axle (trying to make it faster). This is bad because, the bearings are packed in grease and WD-40 is a de-greaser. Never get WD-40 anywhere near your back axle!!! Anyway, the flywheel was way easier to remove than I thought. It is threaded onto the rim's axle shaft and just screws off. Once you get the flywheel, off you have to take it apart, fabricate a new spring (my son's new spring came from an old 10 speed's tensioning spring), reset the 3 pawls, repack the bearings, put the flywheel back together, and screw it back onto the wheel. I will post a YouTube video on this later. Hopefully this is enough info to get you started.
Posted on Nov 03, 2010
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