Islabike Creig 27 kids mountain bike. Creig 27 kids’ mountain bike The Creig 27 is a lightweight hard-tail mountain bike for smaller riders who want a bike that can handle anything, from local trails to big days in the mountains. Rock Shox 30 gold air suspension fork with 100mm of travel for smooth and tuneable performance. Islabikes proportionally sized, 30mm direct mount cranks featuring optimised 141.5mm narrow Q-factor. Tubeless with Stan’s Crest tubeless rims and Vee tire Crown Gems. Designed with 27.5 inch wheels for riders with a 71cm inside leg upwards.