Bell makes a fine product. Not as good as mine ;-) , IMHO, but a fine product nonetheless. You should choose either mine or his over the stock tailwheel hands down.
Mine is more streamlined, can accept a wheel pant and still full swivel properly, is reportedly lighter than the Bell (18 oz vs 24oz, I'm told), AND I have them in stock, ready to ship.
I guarantee it. Money back if not delighted. No returns yet in about 200+ sold.
I also highly recommend the "deluxe" tailwheel tire that I sell for $65. 6 oz lighter than the Van's type, no grease to ooze, and lasts a LLLOOOONGG time. I've got 200+ hours on mine and it still looks like new. Over 150+ are out in the field.
Vince