Recent discussion of Aeroheat failures on tandems. Velocity had some manufacturing problems for a while.
http://www.bentrideronline.com/messa...ad.php?t=77947
The failures shared by posters all occurred at much lower mileages.
13,000 is a lot of miles for a rim-braked wheel.
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Bacchetta Giro A20, RANS V-Rex, RANS Screamer