ATLAS Pro -For the Touring Professional-Pro Double LAP12FPR Bearing-Pivotal Spring AdjustmentBall bearings support for both ends of the spring decreases resistance in each stroke for maximum speed and increased spring life. Lightweight Aluminum cam and beater clampFor reduced rotation weight and improved stroke. Tri-Felt Red Stripe beaterMade of medium-density felt for punchy attack and full sound, with lightweight aluminum hub, stainless steel shaft, and laser-engraved Stainless-Steel Drive ShaftMachine tooled for precise rotation and easy adjustability. Multi-Positioning Hoop ClampA non-marring clip that adjusts to the diameter of the drum for less damage to the hoop. Included Atlas drum keyWith storage clip on the baseplate. Aircraft aluminum connector shaftBall bearing universal joints and solid hexagonal shaft for lightweight, zero latency power transfer, ensuring identical feel and response on both the slave and master pedals. Includes long chain and short chain options for ideal cam geometry at low or high footboard angles. Monarch dual-chain Drive CamDelivers smooth, fluid action without sacrificing power. LAP12FPR SpurLok Heel Plate AnchorsAdded stability and grip to insure solid, slip-free performance located directly under the heel plate for improved stability.