Extralite OctaRamp mtb chainring

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  • Features & Information
    • Material: Ergal 7075T6
    • Construction: hyper accurate cnc
    • Weight: 91g (2x9 or 3x10) /106g (3x9 or 3x10) set
    • Ramps: 8+8 cnc with unique 15°angle
    • Bcd (Bolt Circle Diameter): standard 64/104 mm 4 bolts
    • Finishing: hard anodized with machined sides
    • Compatibility: 9 or 10 speed chains
    • Graphics: laser etched
    In order to last for long all rings are firstly cnc'ed from Ergal 7075T6
    then hard anodized and finally machined on both chain sides.
    Special machined teeth help both up and down chain shifting.
    Unique 15° machined chain ramps offer superior chain engaging on 8 different crank positions, this translates in super quick up-shifting performance.

    OctaRamp 22T - 22E - 15g
    • Machined Teeth : 22 internal angle
    • Bcd (Bolt Circle Diameter): standard 64 mm 4 bolts


    OctaRamp 30T - 32g
    Specials : 4 integrated spacers and sockets.
    Bcd (Bolt Circle Diameter): standard 104 mm 4 bolts.
    Developed for extreme racing setups it reduces the overall shifting time per/race while allowing a shorter bb spindle and lower "Q" factor.
    Beside your small ring you'll cut some extra weight using a shorter bb and the 4 integrated chainring threaded sockets, 1 piece billet machined with the ring.
    Special Finishing available: "Hart-Coat" bronze anodized for long lasting performance.

    OctaRamp 32T - 32 g
    • Ramps: 8, unique 15°angle
    • Machined Teeth : 16 internal
    • Bcd (Bolt Circle Diameter): standard 104 mm 4 bolts


    OctaRamp 44T - 59g
    • Ramps: 8 with unique 15°angle
    • Machined Teeth: 24 external, 12 internal
    • Bcd (Bolt Circle Diameter): standard 104 mm 4 bolts
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This item is crafted in Italy