The stealth wheel is by far the best, easy to clean stays clean longer, quiet (if secured), and safe https://www.atticworx.com/ . The silent spinner is not so silent and needs cleaning frequently. The flying saucer should be cleaned every other day at least, is quiet but some gliders just dont like it. You get what you pay for. I do not recommend the wodent wheel (cheapest that is recommend by some), any wire mesh wheel (cheaper but never recommended), or the super pet wheel (cheap and have not heard comments). I have heard of injuries involving the wodent wheel. The super pet wheel says tail safe but no gaurantees so I would avoid.
Caution: Though I have had no issues with the flying suacer I have heard that gliders may injury themselves by going to fast then being flung across the cage, I have seen by gliders jump on and off the saucer full speed with no injuries but that does not mean it can not happen.
I have heard of no injuries or complaints about the Stealth wheel, the only complaints of the Silent spinner has been about cleaning and noise.
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