Cannondale  Jekyll Alloy 3 27.5 Bike - 2016

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An adept climber and aggressive descender, Cannondale Jekyll 3 bike's superlight, super precise-handling chassis and instant dual mode technology are made for the unpredictable world of Enduro racing.


  • No matter what the course throws your way, the dual modes and unmatched responsiveness give you edge you need to win
  • Flip from short travel on the climbs to long travel on the descents, short for the flats and long for the roughs, and short for powering out and long for dropping in
  • RockShox Pike RCT3 Solo Air provides and impressive 160mm of travel; Fox DYAD RT2 rear shock's travel adjust 95 - 160mm
  • ECS-TC system eliminates the subtle flex and play that occurs in crucial links and pivots connecting the front triangle and swing arm
  • The result of the ECS-TC system is unmatched stiffness, instantaneous response and improved terrain feedback
  • Trans-X Dropper seatpost delivers 120mm travel
  • Specs and images are subject to change


This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 20% off shop services
  • Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
More about our free adjustments:
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 the Cannondale Jekyll Product LineView all Cannondale

Technical Specs

Item #892465
Best Use

Mountain Biking

Mountain Bike Style



SmartFormed alloy

Bike Suspension

Full Suspension


RockShox Pike RCT3 Solo Air, 160mm with 15mm thru-axle

Fork Travel

160 millimeters

Rear Shock

Fox DYAD RT2, 160/95mm adjustable travel


Race Face Aeffect, 36/22

Bottom Bracket

Race Face BB30


Shimano SLX

Front Derailleur

Shimano Deore

Rear Derailleur

Shimano XT, Shadow Plus

Rear Cogs

Shimano HG-50, 11-36, 10-speed

Number of Gears

20 gear(s)

Brake Type

Hydraulic Disc Brake


Shimano SLX hydraulic disc

Brake Levers

Shimano SLX


WTB Frequency Race i25, tubeless ready

Front Hub

Formula DC51, 15mm thru-axle

Rear Hub

DC360, 142x12mm

Wheel Size

27.5 inches


Schwalbe Hans Dampf Performance, 27.5 x 2.35

Tire Width

2.35 inches

Handlebar Shape

Riser Bar


Cannondale C3 alloy


Cannondale C3 6061 alloy

Seat Post

Trans-X Dropper, 120mm travel


WTB Silverado


Sold separately


Tange Seiki 1-1/8 to 1.5", integrated



Dropper Post



31 lbs.

Bike Weight

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



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