Tsubaki 20B-1 Simplex Roller Chain, 5m, BS GT4 Winner, ISO 606 (DIN 8187) - RS20B-1

RF06B chain has flat-shaped link plates. Connecting links are clip type for sizes up to RS16B, and cotter type for sizes RS20B to RS48B. Center sink riveting is applied to RS08B-1 to RS16B-1 single strand chain. Double stake riveting is applied to all other sizes including multi-strand chain.