The Rose Window design was inspired by Cathedral Rose Windows. Light, stiff and beautiful.
Precision, double-machined with the iconic Bespoke Chainrings tooth for optimum reduced friction performance. Smooth, Silent, Responsive.
130 BCD - 50–56T - Narrow-Wide
1/2” x 11/128” (7 - 11 Speed Chain)
7075 T73 Alloy
130 BCD chainrings are Narrow-Wide 1x (Specifically for Brompton & Moulton etc).