VelopediaBicycle Archive · Specification report

Bicycle comparison

2019 Kona Blast · 2021 Kona Blast

Specification2019 Kona Blast2021 Kona Blast
Overview
Model year20192021
BrandKonaKona
ModelBlastBlast
Bicycle typeMountainMountain
Archive ID900003151900001982
Original MSRP—$1,049.00
ColorsMatt Desert Tan w/ Charcoal & Brick DecalsGloss Chocolate w/ Yellow, Rust & Flame Fade Decals
SizesS; M; L; XLS; M; L; XL
Frameset
Frame constructionKona Race Light 6061 Aluminum ButtedKona Race Light 6061 Aluminum Butted
Frame materialAluminumAluminum
ForkRockShox 30 Silver TK Solo Air 100mmRockShox Judy Silver TK Solo Air 100mm
Rear shockn/an/a
Drivetrain
ShiftersShimano DeoreShimano Deore
Front derailleurn/an/a
Rear derailleurShimano DeoreShimano Deore
CranksetFSA Alpha Drive 1x; Chainring: 28tFSA Alpha Drive 1x; Chainring: 28t
Bottom bracketFSA 7420FSA 7420 73mm
CassetteShimano Deore 11-42t 10spdShimano Deore 11-51t 11spd
ChainKMC X10KMC X11
PedalsKona JS2Kona JS2
Brakes
BrakesBrake Calipers: Shimano Hydraulic; Front Brake Rotor: Shimano RT10 180mm (centerlock); Rear Brake Rotor: Shimano RT10 160mm (centerlock); Brake Levers: Shimano HydraulicBrake Calipers: Shimano MT201 Hydraulic; Front Brake Rotor: Shimano RT10 180mm (centerlock); Rear Brake Rotor: Shimano RT10 160mm (centerlock); Brake Levers: Shimano MT201 Hydraulic
Cockpit & contact points
HeadsetFSA No.57BFSA No.57B
HandlebarKona XC/BC RiserKona XC/BC Riser
StemKona XCKona XC
SaddleKona XCKona XC
SeatpostKona Thumb 31.6mmKona Thumb 31.6mm
Wheels & tires
Hubs(F) Formula 100x9mm (centerlock) / (R) Shimano 135x10mm (centerlock)(F) Formula 100x9mm (centerlock) / (R) Shimano 135x10mm (centerlock)
RimsWTB ST I29 TCSWTB ST I27 TCS 2.0
SpokesSandvik Stainless Black 15g fr / 14g rrStainless Black 14g
Front tireWTB Trail Boss 27.5x2.25"Maxxis Forekaster 27.5x2.35"
Rear tireWTB Trail Boss 27.5x2.25"Maxxis Forekaster 27.5x2.35"
Wheel size27.5"27.5"

Geometry comparison

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

Measurement2019 Kona Blast2021 Kona Blast
Selected size / positionMM
Reach427 mm440 mm
Stack601 mm599 mm
Head-tube angle68.5°68°
Seat-tube angle74°75°
Seat tube420 mm420 mm
Head tube115 mm115 mm
Chainstay / rear center435 mm435 mm
Wheelbase1121 mm1139 mm
Bottom-bracket drop50 mm50 mm
Bottom-bracket height304 mm305 mm
Standover height725 mm719 mm
Fork offset / rake42 mm42 mm
Front center691 mm709 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 6, 2026.