Available are:

- 27 t. standard chainring with integrated trouser guard, made of strong 7075 aluminum with anodization.
Standard finish is black anodized. High polished and chrome plated chainring on request.

- 30- and 34 t. chainrings, made of hardened steel, thickness 2 mm

- Chainrings with 38 t. and bigger for BCD130 (requires the flange with BCD130mm adapter) -> D.3.2.
Material: aluminum, silver finish