1150 brake caliper

Rear brake caliper - 1150GS (but will fit others). Part No 34217105993 Used but serviceable... ...includes carrier... How about £35 including mainland, non-highland p&p, elsewhere at cost?

Hi all, I recently bought a R1150 and went about servicing the brakes. However, the rear brake caliper is putting up a bit of a fight. I removed the small clip that secures the pin in place but I cannot drive the pin out towards the rear wheel, its stuck fast. I've taken the caliper off...