The Shimano DEORE M6250 Di2 shifter offers the same precise and fast wireless shifting as XTR and XT DEORE groupsets in a more affordable package. The choice between single click shift mode or hold-down multiple shift brings versatility into the mix while short stroke paddles provide a natural fit and feel. A tactile click prevents mis-shifts and a tunable third button allows for additional system tuning and customization on the E-TUBE appPrecise lightning-quick wireless shifting activated by Shimano&';s most adjustable customizable and satisfyingly tactile shifting switchErgonomic Evolution provides a familiar fit and multi-axis adjustability make this Shimano&';s most natural-feeling shifter yetAssign a function to the programmable third button through the E-TUBE PROJECT app with full switch and e-bike customizationFeature Rich with short stroke paddles a two-step double shift or hold multi-shift and rubber traction pad all in a tidy ergonomic package 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;} Rear Der/Shifter Compatibility Shimano Mountain Di2 Drivetrain Speeds 12 Color Black/Gray