Who are Deity? Deity are a premium mountain bike brand based in the US, designing and manufacturing some of the best components that money can buy. Their components have since boomed in popularity and it seems like nearly everyone in the UK MTB scene is trying to get their hands on some. Thankfully, here at The Bike Factory, we have a number of their products in stock , ready and waiting for you to snaffle them up and break them in on the local trails. All of the greatest MTB component manufacturers, like Deity, Renthal, Hope and Nukeproof, are best known for their handlebar and stem combos. Their Copperhead Stems are renowned as one of the best models of stem in the business.