FRM CU3-M11 Single Ring Chainset XX1 has black CNC machined cranks from Scandium alloy.
25mm axle made in CNC in scandium alloy, hard anodized, for an optimal resistance to torsion.
Double seal bearings.
Spider for SRAM XX1 single chainring, CNC machined.
Chainring with narrower and wider teeth for optimal and effortless gear changes and a reduced risk of derailment.
No need for chain guide
Torx type chainring screws in light aluminum compatible with XX1 (M8.4x.0.75mm)
Crank clamping by means of titanium screws, gold-plated finish.
Q Factor: 163mm
Chainline: 50.5mm
Syncro-Ring chainring: 32 teeth
Crank length : 172.5mm