Velopedia Bicycle Archive

1998 Raleigh MXR Pro-CB

Original specifications: 20" wheels.

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At a glance

Archive #79510

Model year: 1998
Category: BMX
Original MSRP: $169.99
Sizes: Expert
Colors: Chrome-plated
In this record: 24 specifications · archived image · original MSRP

Original buildHi-tensile steel · 20" wheels

Manufacturer catalog

Published sizes and colors

1 size · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

Expert

Published colors

Chrome-plated

Frameset

Frame Construction	TIG-welded
Frame Material	Hi-tensile steel
Fork	Raleigh
Fork Material	Hi-tensile steel, unicrown crown

Drivetrain

Crankset	1-piece 6 1/2", 44 teeth
Bottom Bracket	One piece
BB Shell Width	American 24tpi
Rear Cogs	1-speed, 18 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	Platform, resin

Brakes

Brakes	Side-pull/coaster brake brakes, aluminum levers

Cockpit & Contact Points

Headset	1" steel
Handlebar	Steel
Handlebar Extensions	Not included
Stem	Aluminum
Saddle	BMX
Seatpost	Pillar, steel, 22.2mm (7/8 inch) diameter

Wheels & Tires

Hubs	Front: Joy Tech Big steel, nutted, Rear: Kung Ten coaster
Rims	Weinmann Zac 19, 36-hole
Spokes	Chung Nan UCP, 2.0mm straight gauge
Spoke Nipples	Brass nipples
Front Tire	20 x 2.125" Comp III style
Rear Tire	20 x 1.75" Comp III style
Wheel Size	20" wheels

Gearing

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

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

Published build44T · 18T · 1-speed

Ratio2.44:1

Estimated speed At 90 RPM Gear12.8 mph

Rear tire: 20×1.75.

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

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Rear tire marking

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

Rim diameter (BSD, mm) Tire width (mm)

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications

Seatpost · Original

Pillar

steel, 22.2mm (7/8 inch) diameter

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Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire: Front: 20 x 2.125" Comp III style, Rear: 20 x 1.75" Comp III style
Drivetrain: 1-speed
Seatpost diameter: 22.2 mm
Bottom bracket / shell: One piece · American 24tpi

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

1998 Raleigh MXR Pro-CB