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.
- Identity & price
These bicycles are categorized differently: 2007 Kona Shred 20 is BMX; 2012 Kona Shred 20 is Mountain.
- Data limitation
No geometry is recorded for 2007 Kona Shred 20 and 2012 Kona Shred 20.
- Data limitation
Only 2007 Kona Shred 20 has enough published drivetrain data for gearing calculations.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest1.36:1Highest2.71:1Total range200%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 20×2.1; rear size isn’t listed.
Gearing unavailable for this size.
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
2007 Kona Shred 20
2012 Kona Shred 20
Overview
Model Year
2007
2012
Brand
Kona
Kona
Model
Shred 20
Shred 20
Bicycle Type
Freestyle/jumping
Mountain
Original MSRP
$499.00
Not documented
Colors
Bright Blue Matt
Blue
Sizes
One size fits all
11"
Weight
—
—
Frameset
Frame Construction
TIG-welded
—
Frame Material
Kona Clump 7005 Aluminum
Kona Clump 7005 Aluminum
Fork
Suntour XCU 20", 40mm travel
Spinner Grind 1 50mm
Fork Material
Steel, single crown
—
Drivetrain
Component Group
Shimano mix
—
Shifters
Shimano Rapidfire
Shimano Revo Twist
Rear Derailleur
Shimano Tourney
Shimano Tourney SS
Crankset
CFJ-100w, w/guard, 38 teeth
FSA Vero 36t/bashrings
Bottom Bracket
TH M1
Shimano
Cassette
—
Shimano Tourney SS
Rear Cogs
7-speed, 14 - 28 teeth
—
Chain
Shimano CN-UG50, 1/2 x 3/32"
Yaban S50
Pedals
Wellgo LU-968 JR
Wellgo Kids LU-469
Brakes
Brakes
Hayes MX-4 brakes, Shimano Rapidfire levers
Shimano M375 160mm
Cockpit & Contact Points
Headset
1 1/8" threadless TH Big Nut
Fsa
Handlebar
Kona Riser
Kona Riser
Handlebar Extensions
Not included
—
Stem
Kona Control
Kona Control
Saddle
Kona Dirt Jump
Kona Dirt Jump
Seatpost
Kona Double Thumb
Kona Thumb
Wheels & Tires
Hubs
Front: KK Disc, Rear: Shimano FH-M475 disc
—
Rims
Alex DM-18
Shining MT-20
Spokes
Stainless steel, 14ga. (2.0mm)
—
Front Tire
20 x 2.10" Maxxis Hoodlum
Kenda K-Rad 20 X 2.125"
Wheel Size
20" wheels
—
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.