The specialized comp multi stem 318 is compatible with road and mtb composite handlebars this specialized multi stem is ideal for optimising your efficiency and comfort by fine tuning your stem angle with this adjustable and economical stem the bike stem uses 6061 aluminium material making it very strong and durable specialized comp multi stem features 3d forged and cnc machined 6061 aluminium roadmtb compatible stem 4 bolt oversized 318mm handlebar interface with relie