The Turbine handlebar was fully redesigned narrowing the stem clamp area to allow both a quicker taper and an earlier rise to hit RaceFace&';s meticulously researched Goldilocks (GL) tune for compliance and comfort. GL Tune hits the sweet spot preferred by most riders; stiffer was too harsh softer was too flexible.Extremely precise aluminum engineering to optimize the flex profile of every Turbine bar variant. That meant changing the position degree and rate of wall thickness variation( internal butting). The result is a compliant bar with very high strength7075 series aluminum construction with GL Tune reduces arm pump and hand fatigue. Ride harder ride faster and enjoy a consistently compliant feel in every width and every riseMax stem clamp width is 60mm (not compatible with wider stems like Direct Mount stems)Designed for the abuse of All-Mountain and Enduro riding even on full-power e-bikes TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Rise 40 Material Aluminum Back Sweep (deg) 8 Upsweep 5 Bar Clamp Diameter (mm) 35.0 Color Black Weight 315 Width 800 Defined Color Black