This week in bike stuff: 20th January

New gear from Stinner, Shimano, Airhub and Beeline
Every week there's a batch of new product releases for us to get excited about in the bike industry. This is our roundup of the most interesting of the lot, including some classy new paintjobs from Stinner, performance kit and a Di2 release from Shimano, a resistance training hub from Airhub and an 'adventurous' navigational tool from BeeLine.