This 50.4bcd outer position 46-tooth chainring fits Velo Orange, SunXCD, T,A. Pro 5 Vis Cyclotouriste and Stronglight 49D 50.4bcd cranks. 7075 aluminum alloy.

The 30-tooth inner chain ring fits Velo Orange and T.A. Cyclotouriste 50.4mm BCD outer rings

7-10 speed compatible Ramped & Pinned. 

Direct replacement for TA Cyclotouriste.