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Born to roll and roam. A capable, versatile gravel road bike, the Cannondale Topstone AL 105 is built for chasing horizons, exploring routes less traveled or accelerating your commute.

  • Features

    • Shimano 105 2 x 11 mechanical drivetrain delivers crisp, reliable shifting; mechanical disc brakes offer excellent, reliable stopping power in all conditions
    • SmartForm C2 Alloy construction and a full carbon fork deliver exceptionally light weight and a high-performance feel
    • A balanced riding position is upright enough for comfort over the long haul and control on technical terrain, yet still low and forward enough for speedy efficiency
    • Built with plenty of room for tires up to 42mm wide for comfort, grip and adventurous capability
    • Mounts for 3 water bottles, plus mounts for top tube storage; multiple bottle cage positions on the downtube mount let you configure for big frame bags
    • StraightShot internal cable routing; flat-mount disc
    • Pedals not included; specs and images are subject to change

    Imported.

    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 Endurance Bikes
  • Technical Specs

    Best Use

    Recreational Cycling

    Bike Frame Material

    Aluminum

    Frame

    SmartForm C2 alloy

    Fork

    Full Carbon, 55mm OutFront offset

    Bike Suspension

    No Suspension

    Crankset

    FSA Omega ME alloy, 46/30

    Bottom Bracket

    FSA Omega

    Shifters

    Shimano 105 hydro disc, 2x11

    Front Derailleur

    Shimano 105, 31.8 clamp

    Rear Derailleur

    Shimano 105 GS

    Rear Cogs

    Shimano 105, 11-34, 11-speed

    Number of Gears

    22 gear(s)

    Brake Type

    Hydraulic Disc Brake

    Brakes

    Shimano 105 hydro disc, 160/160mm RT56 rotors

    Brake Levers

    Shimano 105 hydro disc

    Rims

    WTB ST i23 TCS, 28h, tubeless ready

    Front Hub

    Formula RX-512, 12x100 center lock

    Rear Hub

    Formula RX-142, 12x142 center lock

    Wheel Size

    700c

    Tires

    WTB Riddler TCS Light, 700 x 37mm, tubeless ready

    Tire Width

    37 millimeters

    Handlebar Shape

    Drop Bar

    Handlebar

    Cannondale 3, butted 6061 alloy, 16-degree flare drop

    Stem

    Cannondale 3, 6061 alloy, 31.8, 7 degrees

    Seat Post

    Cannondale 3, 6061 alloy, 27.2 x 350mm

    Saddle

    Fabric Scoop Women's Sport, 155mm width, steel rails

    Pedals

    Not included

    Headset

    Topstone Si, 1-1/8 in. to 1-1/4 in. taper, 25mm alloy top cap

    Chain

    KMC X11, 11-speed

    Weight

    21 lbs. 14.4 oz.

    Bike Weight

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

    Gender

    Unisex

  • Size Chart

    S M L XL
    Height Range 5'2" - 5'6" 5'6" - 5' 10" 5'10" - 6'1" 6'1" - 6'4"
    Reach 37.7 38.5 39.4 40.2
    Stack 54.9 57.9 61.0 64.0
    Effective Top Tube 54.4 56.1 57.9 59.6
    Seat Tube Center-Top 45.8 50.5 55.3 60.0
    Standover Height 74.4 78.4 82.5 86.3
    Head Tube Length 11.8 14.9 18.2 21.4
    Head Tube Angle (degrees) 71° 71° 71° 71°
    Seat Tube Angle (degrees) 73.1° 73.1° 73.1° 73.1°
    Bottom Bracket Height 28.4 28.4 28.4 28.4
    Wheelbase 102.2 104.0 106.0 107.8
    Chainstay 43.0 43.0 43.0 43.0
    Fork Offset 5.5 5.5 5.5 5.5

    Sizing Notes

    Measurements are stated in centimeters unless otherwise indicated.

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