These chainrings in KCNC design allow an easy replacement of worn chainrings on RD1/RD2 cranksets. Simultaneously they are compatible with all road standard cranksets (130 mm BCD). The RD1/RD2 chainrings are made of high-quality, CNC-machined 7075 aluminium which has been anodized for additional durability. The precision of the CNC-machining guarantees perfect compatibility with 2-speed derailleur systems. Bolt circle diameter 130 mm, 5-arm!
Fitting for derailleur: 9-speed ||| 10-speed
Included in delivery: 1 chainring
Material: 7075 aluminium
Weight supplement: 39 teeth)
approx. 82 gram (52 teeth)
approx. 83 gram (53 teeth)