Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Frame geometry
2021 Kona Lava Dome has 12 mm more reach than 2018 Kona Lava Dome in the selected sizes.
More reach puts the head-tube reference farther forward, not necessarily the hands.
- Handling
2021 Kona Lava Dome has a 1.0° slacker head-tube angle than 2018 Kona Lava Dome in the selected sizes.
Fork offset, tire size and wheelbase also affect steering; head angle alone is not a handling verdict.
- Gearing
2021 Kona Lava Dome has a 14% lower climbing ratio than 2018 Kona Lava Dome.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Selected-size geometry
Geometry overlay
Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.61:1Highest2.55:1Total range418%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 29×2.25.
Lowest0.71:1Highest3.82:1Total range541%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 29×2.25.
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.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2021 Kona Lava Dome
2018 Kona Lava Dome
Overview
Model Year
2021
2018
Brand
Kona
Kona
Model
Lava Dome
Lava Dome
Bicycle Type
Mountain
Mountain
Original MSRP
$799.00
Not documented
Colors
Gloss Pinot Noir or Gloss Dark Seafoam w/ Camel, Black & Mauvewood Decals
Matt Blue & Dark Blue or Black & Dark Blue w/ Blue & Yellow Decals
Sizes
S, M, L, XL
S, M, L, XL
Weight
—
—
Frameset
Frame Construction
Kona 6061 Aluminum Butted
Kona 6061 Aluminum Butted
Frame Material
Aluminum
Aluminum
Fork
Suntour XCR 32 LO-R Coil Spring 100mm
Suntour XCT HLO Coil Spring 100mm
Drivetrain
Shifters
Microshift Advent
Shimano Altus
Front Derailleur
—
Shimano Altus
Rear Derailleur
Microshift Advent w/ Clutch
Shimano Altus
Crankset
Samox; Chainring: 28t
Suntour XCE; Chainring: 24/34/42t
Bottom Bracket
Shimano 73mm
Ch52
Cassette
Microshift Advent 11-46t 9spd
Shimano HG31 11-34t 8spd
Chain
KMC X9
KMC Z72
Pedals
Kona JS2
Kona JS2
Brakes
Brakes
Brake Calipers: Tektro HDM275; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM275
Brake Calipers: Tektro HDM285; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM285
Cockpit & Contact Points
Headset
FSA No.57B
FSA No.57B
Handlebar
Kona XC/BC Riser
Kona XC/BC Riser
Stem
Kona XC
Kona XC
Saddle
Kona XC
Kona XC
Seatpost
Kona Thumb 31.6mm
Kona Thumb 31.6mm
Wheels & Tires
Hubs
(F) Joytech 100x9mm / (R) Joytech 135x10mm
(F) Formula 100x9mm / (R) Formula 135x10mm
Rims
Alex DP27K
Double Wall alloy
Spokes
Stainless Black 14g
Stainless Black 14g
Front Tire
WTB Trail Boss 29x2.25"
WTB Trail Boss 29x2.25"
Rear Tire
WTB Trail Boss 29x2.25"
WTB Trail Boss 29x2.25"
Wheel Size
29"
29"
Geometry · choose a size for each bicycle
Geometry size
Reach
440 mm
428 mm
Stack
611 mm
616 mm
Head-tube angle
68°
69°
Seat-tube angle
75°
74°
Seat tube
420 mm
420 mm
Head tube
105 mm
105 mm
Chainstay / rear center
450 mm
455 mm
Wheelbase
1164 mm
1147 mm
Bottom-bracket drop
60 mm
60 mm
Bottom-bracket height
315 mm
312 mm
Standover height
733 mm
735 mm
Fork offset / rake
51 mm
51 mm
Front center
720 mm
699 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.