Description The Brooks Tension Shackle is a replacement part for your Brooks leather saddle. Take Care, Repair. Roll on with simple spare parts. Take care of your favourite leather saddle, and it will take care of you in kind. Compatible with the following Brooks saddles: Team Pro Special Team Pro Special Short B17 B17 Short B17 Carved B17 Narrow B17 Special Flyer Special Flyer Short Flyer Special Short Swift Swallow B67 B67 Short Conquest Countess