A speed change device comprising: an inner race (38, 108) having an outer surface; an outer race (36, 110) having an inner surface; a set of orbital rollers (40, 42, 122, 124) including inner rollers (42, 124) in rolling contact with the outer surface of the inner race (38, 108) and outer rollers (40, 122) in rolling contact with the inner surface of the outer race (36, 110); each and every inner roller (42, 124) being in rolling contact with two outer rollers (40, 122); each and every outer roller (40, 122) being in rolling contact with two inner rollers (42, 124); characterised by a geared input ring (114, 138) concentric with the inner race (38, 108) and the outer race (36, 110), the geared input ring (114, 138) being in geared contact with one or more geared rollers (126, 128) of the orbital rollers: (i) the one or more geared rollers (126, 128) also being in geared contact with a free spinning ring (118, 140), the geared input ring being an outer input drive ring and the free spinning ring being a free spinning inner geared ring or the geared input ring being a drive inner geared ring and the free spinning ring being a free spinning outer geared ring; or (ii) the one or more geared rollers (126, 128) being the inner rollers (42, 124) and the contact of the one or more geared rollers (126, 128) with the outer surface of the geared input ring (114, 138) being geared contact; or (iii) the one or more geared rollers (126, 128) being the outer rollers (40, 122) and the contact of the one or more geared rollers (126,128) with the inner surface of the geared input ring (114, 138) being geared contact. an inner race (38, 108) having an outer surface; an outer race (36, 110) having an inner surface; a set of orbital rollers (40, 42, 122, 124) including inner rollers (42, 124) in rolling contact with the outer surface of the inner race (38, 108) and outer rollers (40, 122) in rolling contact with the inner surface of the outer race (36, 110); each and every inner roller (42, 124) being in rolling contact with two outer rollers (40, 122); each and every outer roller (40, 122) being in rolling contact with two inner rollers (42, 124); characterised by a geared input ring (114, 138) concentric with the inner race (38, 108) and the outer race (36, 110), the geared input ring (114, 138) being in geared contact with one or more geared rollers (126, 128) of the orbital rollers: (i) the one or more geared rollers (126, 128) also being in geared contact with a free spinning ring (118, 140), the geared input ring being an outer input drive ring and the free spinning ring being a free spinning inner geared ring or the geared input ring being a drive inner geared ring and the free spinning ring being a free spinning outer geared ring; or (ii) the one or more geared rollers (126, 128) being the inner rollers (42, 124) and the contact of the one or more geared rollers (126, 128) with the outer surface of the geared input ring (114, 138) being geared contact; or (iii) the one or more geared rollers (126, 128) being the outer rollers (40, 122) and the contact of the one or more geared rollers (126,128) with the inner surface of the geared input ring (114, 138) being geared contact. (i) the one or more geared rollers (126, 128) also being in geared contact with a free spinning ring (118, 140), the geared input ring being an outer input drive ring and the free spinning ring being a free spinning inner geared ring or the geared input ring being a drive inner geared ring and the free spinning ring being a free spinning outer geared ring; or (ii) the one or more geared rollers (126, 128) being the inner rollers (42, 124) and the contact of the one or more geared rollers (126, 128) with the outer surface of the geared input ring (114, 138) being geared contact; or (iii) the one or more geared rollers (126, 128) being the outer rollers (40, 122) and the contact of the one or more geared rollers (126,128) with the inner surface of the geared input ring (114, 138) being geared contact.