D2 Group sponsor; Carl Fenwick and Mark Sayers F2 Sidecar Team The D2 Group sources the mainstay of its standard non KOYO bearing and Renold Transmission product line from the manufacturing communities of Europe and North America, enjoying its strongest trade links with producers, or their apppointed agents in America and Germany The D2 Group is the name for the market leading bearings company Incorporating D2 Bearing & Engineering Services together with D2 Cartridge & Mechanical Seals, we are appointed Master Distributors for the KOYO brand of bearing products