VelopediaBicycle Archive · Specification report

2021 Cannondale Jekyll 1

Velopedia Archive ID 900001162

Overview

Model year2021
BrandCannondale
ModelJekyll 1
Bicycle typeMountain
Archive ID900001162
Original MSRP$6,249.00
ColorsGinger
SizesSM; XL; LG; MD

Frameset

Frame construction165mm travel, Carbon, Proportional Response Tuned, Guidler idler pulley/chainguide, BSA 73, ISCG05, tapered head tube, Ai Offset
Frame materialCarbon fiber
ForkFox Float Factory 38, 170mm, 15x110mm thru-axle, tapered steerer, 44mm offset
Rear shockFox Float Factory X2, 205x65 Metric Trunnion, Air, Adjustable High Speed/Low Speed Compression, High Speed/Low Speed Rebound

Drivetrain

ShiftersSRAM GX Eagle, 12-speed
Rear derailleurSRAM GX Lunar Eagle
CranksetSRAM X1 Eagle B148 CL55, 30T
Bottom bracketSRAM DUB BSA MTB73
Rear cogsSRAM XG-1275, GX Eagle, 10-52, 12-speed
ChainSRAM NX Eagle, 12-speed

Brakes

BrakesBrakes SRAM Code RSC hydraulic disc, 220/200mm CenterLine rotors Brake Levers SRAM Code RSC hydraulic disc

Cockpit & contact points

HeadsetIntegrated Sealed Bearing, Tapered
HandlebarCannondale 1 Riser, Carbon, 30mm rise, 8° sweep, 5° rise, 780mm
StemFSA Grid 35, 35mm
SaddleFabric Scoop Shallow Elite, hollow cro-mo rails
SeatpostCannondale DownLow Dropper w/ Matchmaker lever, 31.6, 125mm (S), 150mm (M-XL)

Wheels & tires

Hubs(F) Formula, 15x110mm thru-axle / (R) SRAM MTH 700, 12x148mm, XD Driver
RimsWTB KOM Trail i30 TCS, 32h, tubeless ready
SpokesDT Swiss Factory J -Bend
Front tireMaxxis Assegai, 29x2.5", 3C compound, EXO+ puncture protection, tubeless ready
Rear tireMaxxis Minion DHR II, 29x2.4", EXO+, tubeless ready
Wheel size29

Geometry · S

Seat tube390 mm
Effective top tube569 mm
Top tube541 mm
Head tube100 mm
Head-tube angle64°
Seat-tube angle77.5°
Chainstay / rear center430 mm
Wheelbase1193 mm
Bottom-bracket drop30 mm
Bottom-bracket height348 mm
Reach425 mm
Stack625 mm
Standover height750 mm
Fork offset / rake44 mm
Front center765 mm
Trail135 mm
Wheel size29

Geometry · M

Seat tube410 mm
Effective top tube608 mm
Top tube569 mm
Head tube110 mm
Head-tube angle64°
Seat-tube angle77.5°
Chainstay / rear center435 mm
Wheelbase1227 mm
Bottom-bracket drop30 mm
Bottom-bracket height348 mm
Reach450 mm
Stack634 mm
Standover height750 mm
Fork offset / rake44 mm
Front center794 mm
Trail135 mm
Wheel size29

Geometry · L

Seat tube445 mm
Effective top tube623 mm
Top tube588 mm
Head tube120 mm
Head-tube angle64°
Seat-tube angle77.5°
Chainstay / rear center442 mm
Wheelbase1264 mm
Bottom-bracket drop30 mm
Bottom-bracket height348 mm
Reach475 mm
Stack643 mm
Standover height760 mm
Fork offset / rake44 mm
Front center823 mm
Trail135 mm
Wheel size29

Geometry · XL

Seat tube500 mm
Effective top tube660 mm
Top tube627 mm
Head tube130 mm
Head-tube angle64°
Seat-tube angle77.5°
Chainstay / rear center450 mm
Wheelbase1311 mm
Bottom-bracket drop30 mm
Bottom-bracket height348 mm
Reach510 mm
Stack652 mm
Standover height770 mm
Fork offset / rake44 mm
Front center863 mm
Trail135 mm
Wheel size29

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 21, 2026.