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Product Description


The Cannondale Jekyll 3 is the aluminum version of their nimble endurance bike that is great for bombing descents and ripping through obstacles without breaking the bank. This 27.5-inch wheel version of the Jekyll is more nimble and control-driven than its 29-inch cousin. This bike is ready to dance around obstacles without missing a beat on the trails. Equipped with a full suspension and a long wheel base, the Cannondale Jekyll is perfect for bombing technical descents. The addition of a very short stem along with wide handlebars make this bike perfect for stability on the most difficult rides. This bike is a great choice for a solid first endurance price at a great price.

The frame of the Cannondale Jekyll 3 is made of lightweight and durable SmartForm C1 Alloy, giving it a lightweight and stiff feel without sacrificing its durability. Outstanding stability is achieved through carbon shock links, a 65-degree head tube angle along with ultra-short chainstays which allow for uncanny agility. A steep seat angle promotes powerful pedaling, especially through tough climbs. The geometry of the Cannondale Jekyll has all your bases covered in a true all-mountain bike.

Fox jumped in to co-develop the suspension system on this bike with Cannondale. The Gemini Shock gives you full freedom of your suspension, helping riders excel in all areas of the ride from technical terrain to climbs and flat sprints. You can choose “Hustle Mode” which shortens the travel to 130mm or “Flow Mode” which is good for 165mm of travel. The suspension mode is easy to change on the fly so you can quickly adjust to the terrain ahead. A single-pivot design link between the swingarm and shocks to keep the suspension active through braking. Flatmount disc brakes assure that stopping is always a confident endeavor in any weather.

The Jekyll is compatible with all shifting systems and is Di2 ready in case you want to switch to an electronic group. An internal battery mount is featured for a clean look while leaving clearance for an internal dropper post. This version features a SRAM NX Eagle 12-speed groupset for mechanical shifting at a great price. Clean cable management securely houses all cables regardless of configuration. A water bottle mount is integrated into the frame in a way that keeps it safe from spray and mud while keeping it within an arm’s reach, topping off the convenience of this bike. The aluminum Cannondale Jekyll 3 is a great choice for any rider’s first serious endurance bike.


  • Frame: Jekyll, 165mm travel, SmartForm C1 Alloy, Carbon shock link, Ai offset drivetrain, ISCG05, BB30, flat mount brake, tapered headtube
  • Fork: Fox Float Rhythm 36, 170mm, Grip Damper, Sweep Adjust, 15x110 tapered steerer, 44mm offset
  • Shock: Fox Float Factory DPX2 EVOL with Gemini dual mode air spring system (165/130mm), remote-actuated, 3-position adjustment
  • Headset: Integrated 1 1/8 – 1 1/2“ sealed angular contact bearings
  • Seatpost: TranzX dropper, internal routing, 31.6, 120mm (100mm small; 80mm x-small)


  • Bottom Bracket Cannondale BB30
  • Brake Calipers Shimano MT500 Hydro Disc
  • Brake Levers Shimano MT500 Hydro Disc
  • Cassette SRAM PG-1230, NX Eagle, 11-50, 12-Speed
  • Chain SRAM NX Eagle, 12-Speed
  • Crankset Truvativ Stylo 6K, 30T, Ai Custom
  • Fork Fox Float Rhythm 36, 170mm, Grip Damper, Sweep Adj., 15x110, Tapered Steer, 44mm Offset
  • Grips Cannondale Locking Grips
  • Handlebar Cannondale C3 Riser, 6061 Alloy, 15mm Rise, 8° Sweep, 4° Rise, 780mm
  • Headset Integrated, 1-1/8 To 1.5", Sealed Angular Contact Bearings
  • Pedals Not Included
  • Rear Derailleur SRAM NX Eagle
  • Rear Suspension Fox Float Performance DPS EVOL W/ Gemini Dual Mode Air Spring System (Flow Mode - 165mm / Hustle Mode - 130mm), Remote-Actuated, 3-Pos Adj.
  • Rotors Shimano MT500 Hydro Disc, 180/180mm RT66 Rotors
  • Saddle Fabric Scoop Shallow Sport, Steel Rails
  • Seatpost TranzX Dropper, Internal Routing, 31.6, 80mm (XS), 100mm (S), 120mm (M-XL)
  • Shifters SRAM NX Eagle, 12-Speed
  • Stem Cannondale C3, 3D Forged 6061 Alloy, 1-1/8", 31.8, 0°, 35mm
  • Tires Maxxis Minion DHF 27.5 X 2.5" Front, DHR II 2.4" Rear, EXO Puncture Protection, Tubeless Ready
  • Wheel - Front WTB ST I29 TCS Rims / Formula Hub
  • Wheel - Rear WTB ST I29 TCS Rims / Formula Hub
*Specifications are subject to change.


Bike Geometry
SizeSeat Tube (c-c)Seat Tube (c-t)Top Tube LengthHead Tube LengthChain Stay LengthSeat Tube AngleHead Tube AngleStand Over HeightWheel SizeStackReach
S 400 - 584 102 420 75.0 65.0 750 - 590 426
M 430 - 609 115 - - - 758 - 601 448
L 460 - 634 127 - - - 767 - 612 470
XL 520 - 662 140 - - - 775 - 624 495

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