Observed Trials Discussion
My HS1s stutter at low speed as the brake track is 14mm and the BB7 pads are 16mm wide, I think this also make them a bit more likely to squeal. Power could probably be better with more coverage too.
Hayes V7 16x1.8mm 156g 22 eur (Out of production, but available, 2 people say quieter than G2)...