Agilis XC 2x9 offers: QRings at 40-27t 160mm Qfactor, the smallest on the market: Hollowminium Technology (CNC machined not forged) Compatibility with most 24mm external BB systems Compatibilty with normal round chainrings 110mm/74mm BCD Light and durable with exceptional crank arm resilience 750 gram complete set met bladen en sabb bracket ceramisch 40 euro meerprijs