Shimano introduces a DURA-ACE Di2 satellite shifter SW-7972 for quick rear shifting while riding in the handlebar drops. This product is especially developed for sprinters, to keep a firm grip on the handlebar while shifting.

Available will be a right hand shifter for shifting down and a left hand shifter for shifting up. These compact sprinter switches can be mounted anywhere on the handlebar and plug and play easily into the existing DURA-ACE Di2 Dual Control Levers ST-7970.

SW-7972 will be available in the market from February 2011.