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2020 Cannondale Jekyll Carbon 29 3

Original specifications: 29" wheels · geometry for 4 published sizes.

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At a glance

Model year
2020
Category
Mountain
Sizes
S, M, L, XL
Colors
Graphite (GRA)
Geometry
4 manufacturer sizes
In this record
23 specifications · archived image · geometry
Archive ID
900003031
Campaign
Original buildCarbon · 29"

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Graphite (GRA)

Frameset

Frame ConstructionBallisTec Carbon front triangle, SmartForm C1 Alloy swingarm, 150mm travel, Ai offset drivetrain, ISCG05, PF30-83, flat mount brake, tapered headtube
Frame MaterialCarbon
ForkFox Float Performance 36, 150mm, Grip Damper, 3-Pos adj., 15x110, tapered steerer, 44mm offset
Rear ShockFox Float Performance DPX2 EVOL, 3-Pos adj.

Drivetrain

ShiftersSRAM GX Eagle, 12-speed
Rear DerailleurSRAM GX Eagle
CranksetTruvativ Stylo 6K DUB, 30T, Ai offset
Bottom BracketSRAM DUB PF30 MTB83
Rear CogsSRAM PG-1230, NX Eagle, 11-50, 12-speed
ChainSRAM NX Eagle, 12-speed
PedalsNot Included

Brakes

BrakesSRAM Guide RE hydro disc, 200/180mm Centerline rotors

Cockpit & Contact Points

HeadsetIntegrated, 1-1/8 to 1.5”, sealed angular contact bearings
HandlebarCannondale 3 Riser, 6061 Alloy, 15mm rise, 8° sweep, 4° rise, 780mm
StemCannondale 3, 3D Forged 6061 Alloy, 1-1/8”, 31.8, 0°
SaddleFabric Scoop Shallow Sport, steel rails
SeatpostCannondale DownLow Dropper, internal routing, 31.6, 125mm (S), 150mm (M-XL)

Wheels & Tires

HubsFormula 15x110 Formula 12x148 w/ HG driver 12x148
RimsStan’s NoTubes Flow S1, 32h, tubeless ready
SpokesDT Swiss Champion
Front TireMaxxis Assegai, 29 x 2.5”, Dual compound, EXO puncture protection, tubeless ready
Rear TireMaxxis Assegai, 29 x 2.5”, Dual compound, EXO puncture protection, tubeless ready
Wheel Size29"

Geometry

4 sizes · 16 measurements

Frame measurements by size.

All geometry measurements4 sizes · 16 measurements
MeasurementSMMDLGXL
Seat tube400 mm430 mm460 mm520 mm
Effective top tube586 mm611 mm636 mm664 mm
Top tube568 mm589 mm613 mm641 mm
Head tube102 mm115 mm127 mm140 mm
Head-tube angle65°65°65°65°
Seat-tube angle75°75°75°75°
Chainstay / rear center442 mm442 mm442 mm442 mm
Wheelbase1179 mm1207 mm1234 mm1264 mm
Bottom-bracket drop16 mm16 mm16 mm16 mm
Bottom-bracket height360 mm360 mm360 mm360 mm
Reach419 mm440 mm462 mm487 mm
Stack598 mm610 mm621 mm633 mm
Standover height760 mm766 mm776 mm788 mm
Fork offset / rake42 mm42 mm42 mm42 mm
Front center738 mm765 mm792 mm823 mm
Trail130 mm130 mm130 mm130 mm

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes30T · 11–50T · 12-speed
Lowest0.60:1 Highest2.73:1 Total range455%
Estimated speed At 90 RPM Lowest gear4.7 mph Highest gear21.5 mph

Rear tire: 29×2.5.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
SRAM NX Eagle, 12-speed Search: SRAM NX Eagle, 12-speed chain
Retailer offers · Affiliate links
Cassette / rear cogs · Original
SRAM PG-1230, NX Eagle, 11-50, 12-speed Search: SRAM PG-1230 12-speed 11-50 cassette
Front tire · Original
Maxxis Assegai, 29 x 2.5”, Dual compound, EXO puncture protection, tubeless ready
Retailer offers · Affiliate links
More parts (5)
Bottom bracket · Original
SRAM DUB PF30 MTB83
Saddle · Original
Fabric Scoop Shallow Sport, steel rails
Rear derailleur · Original
SRAM GX Eagle Search: SRAM GX 12-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
SRAM GX Eagle, 12-speed Search: SRAM GX Eagle, 12-speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Hubs · Original
Formula 15x110 Formula 12x148 w/ HG driver 12x148

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 23 checks based on 6 archived component groups Open checklistClose checklist
0 of 23 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2020 Cannondale Jekyll Carbon 29 3 · Mountain · Published sizes: S, M, L, XL

Archived: Frame: BallisTec Carbon front triangle, SmartForm C1 Alloy swingarm, 150mm travel, Ai offset drivetrain, ISCG05, PF30-83, flat mount brake, tapered headtube · Fork: Fox Float Performance 36, 150mm, Grip Damper, 3-Pos adj., 15x110, tapered steerer, 44mm offset

Archived: Fork: Fox Float Performance 36, 150mm, Grip Damper, 3-Pos adj., 15x110, tapered steerer, 44mm offset · Rear shock: Fox Float Performance DPX2 EVOL, 3-Pos adj.

Archived: Shifters: SRAM GX Eagle, 12-speed · Rear derailleur: SRAM GX Eagle · Crankset: Truvativ Stylo 6K DUB, 30T, Ai offset · Bottom bracket: SRAM DUB PF30 MTB83 · Rear cogs: SRAM PG-1230, NX Eagle, 11-50, 12-speed · Chain: SRAM NX Eagle, 12-speed

Archived: Brakes: SRAM Guide RE hydro disc, 200/180mm Centerline rotors

Archived: Wheel size: 29" · Rims: Stan’s NoTubes Flow S1, 32h, tubeless ready · Hubs: Formula 15x110 Formula 12x148 w/ HG driver 12x148 · Front tire: Maxxis Assegai, 29 x 2.5”, Dual compound, EXO puncture protection, tubeless ready · Rear tire: Maxxis Assegai, 29 x 2.5”, Dual compound, EXO puncture protection, tubeless ready

Controls and contact points

Archived: Headset: Integrated, 1-1/8 to 1.5”, sealed angular contact bearings · Handlebar: Cannondale 3 Riser, 6061 Alloy, 15mm rise, 8° sweep, 4° rise, 780mm · Stem: Cannondale 3, 3D Forged 6061 Alloy, 1-1/8”, 31.8, 0° · Seatpost: Cannondale DownLow Dropper, internal routing, 31.6, 125mm (S), 150mm (M-XL) · Saddle: Fabric Scoop Shallow Sport, steel rails · Pedals: Not Included

Before and during the test ride

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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