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BS standard (European regular) roller chains require unique BS sprockets (RS sprockets/JIS standards cannot be used due to a different tooth width and external diameter).

Sizes, hardened teeth specifications, and bore finishings not shown in the dimensional chart are also on an MTO basis. sprockets Contact a Tsubaki representative to find out more.

Fit Bore Series is also available with finished bores.

Sizes not shown in the dimensional chart are also on an MTO basis (For instance: 20B, 56B). Contact a Tsubaki representative to find out more