Cannondale Beast of the East 2 27.5 + Bike - 2017

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The legendary Beast of the East is reborn as a ridiculously fun hardtail. All that traction, float and confidence make it great anywhere the trails go up stuff, down stuff, over stuff or around stuff.

  • Features

    • Designed for skilled riders looking to take on more challenging terrain or newbie riders looking for the most forgiving, confidence-inspiring way to learn new skills
    • Smartformed aluminum alloy frame is light and responsive; slack geometry with wide handlebar allows easy, confident handling
    • RockShox Reba RL Boost fork delivers 120mm travel to smooth out rough trail
    • Bike is designed with asymmetric integration drivetrain, allowing wide 3 in. tires, without lengthening chainstays, ensuring nimble performance with great traction and float
    • 1 x 11 gearing gives you just what you need to tackle trails
    • New flat-mount hydraulic brakes help reduce weight and offer increased heel clearance
    • Specs are subject to change


    Free Adjustment Period:
    New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
    View all Cannondale Hardtail Mountain Bikes
  • Technical Specs

    Best Use

    Mountain Biking

    Mountain Bike Style


    Bike Frame Material




    Bike Suspension

    Front Suspension


    RockShox Reba RL Boost, 120mm travel with lockout, 15mm thru-axle

    Fork Travel

    120 millimeters


    Cannondale Si, 30t

    Bottom Bracket

    Cannondale alloy BB30


    SRAM GX, 11-speed

    Rear Derailleur


    Rear Cogs

    SRAM XG-1150, 10-42, 11-speed

    Number of Gears

    11 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano Deore hydraulic disc

    Brake Levers

    Shimano Deore


    Cannondale Beast, 27.5x50mm, tubeless ready

    Front Hub

    Formula, 32h

    Rear Hub

    Formula with XD driver, 142x12mm

    Wheel Size

    27.5+ inches


    WTB Bridger, 27.5 x 3

    Tire Width

    3.0 inches

    Handlebar Shape

    Riser Bar


    Cannondale C3


    Cannondale C4

    Seat Post

    Cannondale C3


    Cannondale Stage 3


    Sold separately


    Tange 1.5




    30 pounds

    Bike Weight

    Bike weight is based on median size, as sold, or the average of two median sizes.



  • Size Chart

    S M L XL
    Height Range 5’3”- 5’6” 5’6” - 5’9” 5’9” - 6’0” 6’0" - 6’3”
    Reach 38.6 41 43.2 45.2
    Stack 61.5 61.5 62.8 64
    Effective Top Tube 57 59.6 62.3 64.8
    Seat Tube Center-Top 38.5 43.5 48.5 53.5
    Standover Height 72.2 75.4 78.9 82.5
    Head Tube Length 9.7 9.7 11 12.2
    Head Tube Angle (degrees) 68.3 68.4 68.5 68.6
    Seat Tube Angle (degrees) 73.3 73.2 72.2 72.1
    Bottom Bracket Height 30.9 30.9 30.9 30.9
    Wheelbase 109.5 111.9 114.5 116.8
    Chainstay 43.5 43.5 43.5 43.5
    Fork Offset 5.5 5.5 5.5 5.5

    Sizing Notes

    Measurements are stated in centimeters.

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