Marathon Purpose Utility Centered Bearings Tires & Wheels Review

They are ideal replacements for 8 x 2 x 1/2 inch casters. The tires are slightly soft, allowing you to absorb small bumps in your path a bit. Not really sure at the 350# rating, they compress more than I'd like, about 225# per wheel in corners and big bumps.

Purchased to upgrade the wheelchair's front wheels from 7"x1" to 8"x2" (for smoother and safer driving on uneven/cracked surfaces). The only difficulty came from trying to use the stock 5/16" OD axle bolt without the 1/2" OD adapter socket. An attempt to minimize the resulting misalignment by tightening the banjo bolt eventually resulted in a bearing failure. prematurely (due to excessive axial loading). I had to order a new bearing and fit a 1/2" OD socket on the AOK. Very happy now.

Updated 7/27/2019 ; Poor quality product, the wheel came loose and buckled after a few months of use. I went into the shed and got out and the alternator wheel came loose, here's a photo to prove it. If you want constant weight on this tire, don't buy it. Now I have a dilemma of what to replace it with as my axle was cut to fit this bike. If I have to change the whole axle it will be very discouraging. In the beginning that was my rating: quality wheels, painted rims, solid rubber with no…