ONTRACK - 20" WHEELS 20" x 1.75" wheels bikes. Available in a variety of rim materials and hub designs. WHA10: front wheel / alloy steel black rim WHA11: rear wheel / alloy black rim / steel nut WHA12: rear wheel / silver alloy rim / hub for 6/7sp freewheel WHA13: rear wheel / silver alloy rim / steel coaster brake hub WHA14: front wheel / silver alloy rim / steel nutted hub WHA14A: front wheel / black alloy rim / steel nutted hub WHA15: rear wheel / black alloy rim / steel single speed screw-on freewheel hub WHA18: front wheel / alloy rim / steel hub / QR WHA18A: rear wheel / alloy rim / steel hub / QR WHA19: front wheel / silver alloy rim / nutted alloy hub
