The John Whitaker Interchangeable Size Bar System allows you to change the width of your saddle with ease. Available in Narrow, Medium, Medium Wide and Wide, these gullet bars are designed for use with a range of John Whitaker saddles and are particularly suited to growing horses requiring regular fit adjustments. 6 size bars allow you to change the width of your saddle with ease Simple system uses an easy access panel opened with an allen key (provided with the saddle) Quick adjustment process - ideal for growing horses Compatible with the LA Grand Prix, Venice Jump, Rome Event, Madrid GP, Rio Pony, Bedale, Barnsley, Overton, Highgate and Hebden Saddles Available in Narrow, Medium, Medium Wide, Wide and Extra Wide Colour: Black, Blue, Silver, GreenSizes available: Narrow, Medium, Medium Wide, Wide