Originally Posted by
dwmckee
The Hy/Rd is a fantastic calipwr and I have used them on 3 separate bikes, but I do not believe TRP certifies then for tandem use. I believe the Spyre caliper is okay for tandems however.
The Spyre is IMO too anemic (weak) a brake to use on most tandems, especially if you ride steeper hills or need to stop within a short distance. Hy/Rd is known to work much better and you will find most all tandem teams reporting this.