PFM Thumb Brake is available in three options
£510.00 Thumb Brake Stand alone Handlebar mount.
£726.00 PFM Thumb Brake with Cable Clutch
£993.60 Thumb Brake with Hydraulic Clutch
All manufactured from high quality billet aluminium, 
Thumb Brake and Clutch all using the PFM ball bearing 
High Energy system.