Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2005 Hoffman Bikes Disrupter EL2 and 2006 Hoffman Bikes Disrupter EL2.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

2005 Hoffman Bikes Disrupter EL239T · 14T · 1-speed
Ratio2.79:1
Estimated speed at 90 RPMGear14.8 mph

Uses front tire 20×1.95; rear size isn’t listed.

2006 Hoffman Bikes Disrupter EL236T · 13T · 1-speed
Ratio2.77:1
Estimated speed at 90 RPMGear14.7 mph

Uses front tire 20×1.95; rear size isn’t listed.

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.

Try other gearing

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.
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Specification
2005 Hoffman Bikes Disrupter EL2
2006 Hoffman Bikes Disrupter EL2
Overview
Model Year
2005
2006
Brand
Hoffman Bikes
Hoffman Bikes
Model
Disrupter EL2
Disrupter EL2
Bicycle Type
Freestyle/jumping
Freestyle/jumping
Original MSRP
Not documented
$299.99
Colors
—
Black, Bitter Blue, Agent Orange
Sizes
—
—
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Chromoly top tube, down tube/hi-tensile steel
Chromoly top/down tubes
Fork
Hoffman
Hb
Fork Material
4130 chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Crankset
3-piece chromoly, 39 teeth
3-piece chromoly, 36 teeth
Bottom Bracket
Loose ball
Loose ball
Rear Cogs
1-speed, 14 teeth
1-speed, 13 teeth
Chain
KMC 410, 1/2 x 1/8"
KMC Z410
Pedals
Wellgo aluminum
Wellgo LU-313
Brakes
Brakes
Tektro 907A U-brake brakes, Tektro 289A levers
Tektro 906Afs U-brakes front/Tektro 907A U-brake rear brakes, Tektro 289A levers
Cockpit & Contact Points
Headset
1 1/8" threadless Cane Creek
1 1/8" threadless Tien Hsin TH-888
Handlebar
Hoffman Crmo 2-piece
HB 2-piece
Stem
Hoffman Block Stem
Block Stem
Saddle
Hoffman 8mm
Hoffman Stencil
Seatpost
Steel, 25.4mm diameter
Steel, 25.4mm diameter
Wheels & Tires
Hubs
Front: aluminum, 14mm axle, Rear: aluminum, 14mm axle flip-flop
Aluminum, 14mm axle
Rims
Jalco, 48-hole
Jalco aluminum, 36-hole/48-hole
Spokes
Steel, 14ga. (2.0mm) straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 1.95" Hoffman Skid Mark
20 x 1.95" Hoffman Skid Mark
Wheel Size
20" wheels
20" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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