TBS started when I found myself needing to bleed my mountain bike brakes. I got straight on the internet to look for a bleed kit suitable for the job. Hayes: HFX-9, HFX-Mag, MX-1. We have kits for: - Avid, Bengal, Campagnolo, Clarks, Formula, Giant, Hayes, Hope, Magura, Promax, Quad, RockShox, Shimano and much more!