VelopediaBicycle Archive · Specification report

Bicycle comparison

2021 Kona Unit · 2020 Kona Unit

Specification2021 Kona Unit2020 Kona Unit
Overview
Model year20212020
BrandKonaKona
ModelUnitUnit
Bicycle typeMountainMountain
Archive ID900001983900002367
Original MSRP$1,249.00—
ColorsSatin Fatgue Green w/ Gloss Yellow, Nicotine & Flame Fade DecalsMatt Black w/ Sage & Charcoal Decals
SizesS; M; L; XLS; M; L; XL
Frameset
Frame constructionReynolds 520 Butted CromolyReynolds 520 Butted Cromoly
Frame materialSteelSteel
ForkKona Plus fork 110mm spacingKona Plus Fork 110mm spacing
Rear shockn/an/a
Drivetrain
Shiftersn/an/a
Front derailleurn/an/a
Rear derailleurn/an/a
CranksetFSA Comet Modular; Chainring: 32tFSA Comet Modular; Chainring: 32t
Bottom bracketFSA MegaExo 73mmFSA MegaExo 73mm
CassetteJoytech 18tJoytech 18t
ChainKMC Z1 NarrowKMC Z1 Narrow
PedalsKona JS2Kona JS2
Brakes
BrakesBrake Calipers: Shimano MT201 Hydraulic; Front Brake Rotor: Shimano RT26 180mm; Rear Brake Rotor: Shimano RT26 160mm; Brake Levers: Shimano MT201 HydraulicBrake Calipers: Tektro HDM275 Hydraulic; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM275 Hydraulic
Cockpit & contact points
HeadsetTH ZST no.10TH ZST no.10
HandlebarKona XC/BC RiserKona XC/BC Riser
StemKona XCKona XC/BC
SaddleWTB VoltWTB Volt Sport (Sport 250 size S)
SeatpostKona Thumb w/Offset 31.6mmKona Thumb w/Offset 31.6mm
Wheels & tires
Hubs(F) Formula 110x15mm / (R) Formula 148x12mm(F) Formula 110x15mm / (R) Formula 148x12mm
RimsWTB ST I30 TCS 2.0WTB ST I30 TCS
SpokesStainless Black 14gStainless Black 14g
Front tireWTB Ranger TCS 29x2.6"WTB Ranger TCS 29x2.6"
Rear tireWTB Ranger TCS 29x2.6"WTB Ranger TCS 29x2.6"
Wheel size29"29"

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement2021 Kona Unit2020 Kona Unit
Selected size / positionMM
Reach450 mm450 mm
Stack597 mm597 mm
Head-tube angle68°68°
Seat-tube angle75°75°
Seat tube420 mm420 mm
Head tube120 mm120 mm
Chainstay / rear center430 mm430 mm
Wheelbase1144 mm1144 mm
Bottom-bracket drop65 mm65 mm
Bottom-bracket height310 mm310 mm
Standover height731 mm731 mm
Fork offset / rake50 mm50 mm
Front center722 mm722 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 8, 2026.