DW Machined Chain Drive Single Pedal. Machined Chain Drive Single Pedal. Open Box. Building on the success of the MDD Machine Direct Drive Pedal, the MCD is a boutique pedal that shares many of the patented features, industrial design and build-quality of its direct drive cousin. The most striking difference is an adjustable, sprocket-less cam that incorporates a gear shift-style lever. The lever allows players to quickly shift between the most popular chain-drive cam settings and is easily accessible when mounted to a bass drum. Perforated footboard with matching Contoured heel plate. Tri-Pivot Swivel Toe-Clamp (US Patent Number 9,240,169). Vertical Spring Adjustment (US Patent Number 9,589,546). 110 Control Beater (US Patent Number 8,633,367 B2). We are authorized dealers for all these brands. We operate a 30-day return period. A 10% re-stock is more likely if the unit comes back in mint condition. Also, Items which we do not normally stock i. “Special Orders”, discontinued products, close-outs, used products, etc. We strongly suggest that you check your order after receiving it to be sure that it is in proper working order.