For Sale – our daughter’s Mountain Bike, which she has outgrown – a Specialized Myka with aluminium frame, front suspension, Shimano Altus 7 gear cassette, Shimano Altus 3 gear crankset and Shimano Deore Disc brakes. 14 inch frame (from centre of crankset to top of seat tube) – a Size 13 to suit riders from approx. 10 to 14 years old.