specialized giant cube cannondale Mavic Castelli endura altura
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    E-thirteen Guidering M Chainring

    E-thirteen Guidering M chainrings boast a revoluntionary dual width tooth design to help keep your chain locked on your ring and not dropped on the trail.

    • Maximum tooth width and height to engage the chain securely. You can pedal through the rough stuff without fear
    • Precision tooth chamfers faciltate chain engagement even at extreme chain angles. Your chain will stay put no matter what gear you are pushing
    • Long wearing dual width design
    • Compatible with current TRS, XCX and LG1 chainguides
    • Ring Material: EXAr
    • Thickness: 5mm
    • Bolt Circle Diameter: Integrated Direct Mount
    • 49mm chainline
    • Compatibility: 10/11 speed
    • Ring Sizes: 28-38T
    • Colours: Black
    • Weight: 36t - 48g
    • Use for: MTB
    • EXAlite Aluminum

    A basic shake and bake blend of 8 special herbs and spices (Silicon, Iron, Copper, Manganese, Magnesium, Chromium, Zinc, and Aluminum.) It comes in three different performance blends: EXAr, EXA+ and basic EXA.