If you were ever wary of decking your mountain bike out with a carbon seatpost, fret no more. The Race Face Next SL Seatpost has been tried and tested to ensure it belongs on the trails. The Next SL is engineered from a 3K-carbon weave that provides high strength at a low weight. To further save weight, Race Face decided against its standard single-adjustment head clamp and used a new Hunter design that features a two-bolt system that allows quick, on-the-go adjustments. The post is compatible with 7 or 9mm rails and has 35mm of horizontal support.