"CHANNEL 3 PATTI / 4 PATTI" bicycle rear carrier, model SC-CA-103, made for 20" and 22" frames and used to carry goods on the back of a bicycle. It is offered in a BCP or black finish and in 3 patti and 4 patti versions. The rack has a long tubular channel frame with cross members on top, a bolted front mount, and two flat strap stays with twisted sections and a centre plate that reach down to the rear axle. Part numbers: SC-CA-103 Fits: 20"/22" Frame