VelopediaBicycle Archive · Specification report

Bicycle comparison

2018 Kona Blast · 2019 Kona Blast

Specification2018 Kona Blast2019 Kona Blast
Overview
Model year20182019
BrandKonaKona
ModelBlastBlast
Bicycle typeMountainMountain
Archive ID900003152900003151
ColorsMatt Charcoal & Black w/ Black & Orange DecalsMatt Desert Tan w/ Charcoal & Brick Decals
SizesXS (26"); S; 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 30 Silver TK Solo Air 100mm
Rear shockn/an/a
Drivetrain
ShiftersShimano AltusShimano Deore
Front derailleurShimano Alivion/a
Rear derailleurShimano DeoreShimano Deore
CranksetShimano Alivio; Chainring: 22/30/40tFSA Alpha Drive 1x; Chainring: 28t
Bottom bracketShimano ES300FSA 7420
CassetteShimano HG200 11-34t 9spdShimano Deore 11-42t 10spd
ChainKMC X9KMC X10
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 Hydraulic; Front Brake Rotor: Shimano RT10 180mm (centerlock); Rear Brake Rotor: Shimano RT10 160mm (centerlock); Brake Levers: Shimano 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 / (R) Shimano 135x10mm(F) Formula 100x9mm (centerlock) / (R) Shimano 135x10mm (centerlock)
RimsWTB STP I25WTB ST I29 TCS
SpokesSandvik Stainless Black 15g fr / 14g rrSandvik Stainless Black 15g fr / 14g rr
Front tireSchwalbe Nobby Nic 27.5/26x2.25"WTB Trail Boss 27.5x2.25"
Rear tireSchwalbe Nobby Nic 27.5/26x2.25"WTB Trail Boss 27.5x2.25"
Wheel size26"27.5"

Geometry comparison

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

Measurement2018 Kona Blast2019 Kona Blast
Selected size / positionMM
Reach427 mm427 mm
Stack601 mm601 mm
Head-tube angle68.5°68.5°
Seat-tube angle74°74°
Seat tube420 mm420 mm
Head tube115 mm115 mm
Chainstay / rear center435 mm435 mm
Wheelbase1121 mm1121 mm
Bottom-bracket drop50 mm50 mm
Bottom-bracket height304 mm304 mm
Standover height725 mm725 mm
Fork offset / rake42 mm42 mm
Front center691 mm691 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 5, 2026.