Extralite QRC-2 road crankset


  • Weights:
    • Bsa68 mm: 476g
    • BB30-68: 479g
    • BB91-42: 458g
    • BB91-41B (special 41mm bearing included): 455g
    • PF30-68: 480g
    • BB386 Evo: 479g
    • BB Right 46: 479g
    QRC2: our new generation of road compact E-Bones bring the SSP (stress split profile) concept to the extreme: they are stiffer, lighter and slimmer!
    Both cankarms have been designed with an innovative hyper-sophisticated 3D cnc process that allows higher freedom in multi-dimensional shaping. Bearing preloader allows an easy and perfect preload adjustment. Self extracting left crank: no special tools are required!
    Hybrid Ceramic option is also available on demand (HybridUp W). However bearing fittings on E-Bones can accept any standard 6806 2rs bearing.

    Features & Information
    • Q-factor: 138mm
    • Size: 170, 172.5 and 175mm
    • Bcd: 110mm standard compact
    • BB standards: see table below
    • Bearings: external 30-42mm low friction
    • Spindle: integrated 27mm axle
    • Graphics: laser etched / CNC
    • Finishing: black anodized
    • Option: hybrid ceramic bearings


    The natural evolution of E-Bones QRC with remarkable improvements.
    • Axle diameter grew up from 22 to 27mm.
    • Overall structure is stiffer and stronger.
    • New bearing preload system.
    • Self-extracting left crank.
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  • Attachements
    Extralite QRC-2 BSA68instruction manual
    105.21 KB
    Extralite QRC-2 BB30 PF30instruction manual
    115.13 KB
    Extralite QRC-2 BB91-41instruction manual
    168.85 KB
    Extralite QRC-2 BB91-42instruction manual
    119.84 KB
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