Our customers. Avantiplus Blenhein is locally owned and operated and has been partners with AvantiPlus for over 29 years. You can trust us for EXPERT ADVICE, TOP BRAND BIKES and ACCESSORIES. Our certified Shimano service centre, Shimano and SRAM qualified mechanics ensure our promise to look after you and your bike. Winners of The Small Business Enterprise Centre Superior Service Award. Members of BIANZ and Retail Association.