Velopedia Bicycle Archive

2003 Bilenky Moonbeam

Original specifications: Shimano Deore XT drivetrain · 41.5 lb published weight · legacy reference geometry.

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At a glance

Model year
2003
Category
Tandem
Original MSRP
$4,195.00
Sizes
Captain 19"/stoker 16", captain 20"/stoker 17", captain 21"/stoker 18", captain 21.5"/stoker 21", captain 22"/stoker 19", captain 23"/stoker 18", captain 23"/stoker 20", captain 24"/stoker 20.5", captain 25"/stoker 19.5"
Colors
Buyer's Choice
Weight
41.5 lb
Geometry
Legacy reference
In this record
16 specifications · original MSRP · geometry
Archive ID
30640
Original buildChromoly/Softride beam · Shimano Deore XT

Manufacturer catalog

Published sizes and colors

9 sizes · 1 color

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

Published sizes

Captain 19"/stoker 16"captain 20"/stoker 17"captain 21"/stoker 18"captain 21.5"/stoker 21"captain 22"/stoker 19"captain 23"/stoker 18"captain 23"/stoker 20"captain 24"/stoker 20.5"captain 25"/stoker 19.5"

Published colors

Buyer's Choice

Frameset

Frame ConstructionTIG-welded
Frame MaterialChromoly/Softride beam
ForkBilenky Tuning TN-JT-1525
Fork MaterialChromoly, semi-sloping crown

Drivetrain

Component GroupShimano Deore XT
ShiftersShimano Deore XT RapidFire SL
Front DerailleurShimano Deore XT, bottom-pull/clamp-on 28.6mm
Rear DerailleurShimano Deore XT SGS
CranksetShimano Deore XT, 22/32/44 teeth
Bottom BracketShimano BB-ES70
BB Shell Width68mm English
Rear Cogs9-speed, 12 - 32 teeth
ChainShimano CN-HG73, 1/2 x 3/32"
PedalsNot included

Brakes

BrakesShimano Deore XT V-Brake brakes, Shimano Deore XT RapidFire SL levers

Cockpit & Contact Points

Headset1 1/8" threadless

Geometry

Legacy reference · 6 measurements

Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.

All geometry measurementsLegacy reference · 6 measurements
MeasurementLegacy reference
Top tube563.9 mm
Head-tube angle73°
Seat-tube angle72.5°
Chainstay / rear center447 mm
Wheelbase1739.9 mm
Fork offset / rake57.1 mm

The preserved source contains one model-level geometry set without an identified frame size.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build44/32/22T · 12–32T · 9-speed
Lowest0.69:1 Highest3.67:1 Total range533%
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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano CN-HG73, 1/2 x 3/32"
Brake pads · Original
Shimano Deore XT V-Brake brakes, Shimano Deore XT RapidFire SL levers
Bottom bracket · Original
Shimano BB-ES70
More parts (3)
Crankset · Original
Shimano Deore XT, 22/32/44 teeth
Rear derailleur · Original
Shimano Deore XT SGS Search: Shimano Deore XT 9-speed mechanical rear derailleur
Shifters · Original
Shimano Deore XT RapidFire SL Search: Shimano Deore XT 9-speed mechanical shifter

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 14 checks based on 3 archived component groups Open checklistClose checklist
0 of 14 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2003 Bilenky Moonbeam · Tandem (road) · Published sizes: Captain 19"/stoker 16", captain 20"/stoker 17", captain 21"/stoker 18", captain 21.5"/stoker 21", captain 22"/stoker 19", captain 23"/stoker 18", captain 23"/stoker 20", captain 24"/stoker 20.5", captain 25"/stoker 19.5"

Archived: Frame: TIG-welded · Fork: Bilenky Tuning TN-JT-1525 · Chromoly, semi-sloping crown

Archived: Group: Shimano Deore XT · Shifters: Shimano Deore XT RapidFire SL · Front derailleur: Shimano Deore XT, bottom-pull/clamp-on 28.6mm · Rear derailleur: Shimano Deore XT SGS · Crankset: Shimano Deore XT, 22/32/44 teeth · Bottom bracket: Shimano BB-ES70 · Rear cogs: 9-speed, 12 - 32 teeth · Chain: Shimano CN-HG73, 1/2 x 3/32"

Archived: Brakes: Shimano Deore XT V-Brake brakes, Shimano Deore XT RapidFire SL levers

Before and during the test ride

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

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