Velopedia Bicycle Archive

2006 Norco CRD-4

Original specifications: Shimano Sora drivetrain · 700c wheels.

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At a glance

Model year
2006
Category
Road
Sizes
Xmall, M, L, XL, XXL
Colors
Black
In this record
24 specifications
Archive ID
11531
Original buildAluminum · Shimano Sora · 700c wheels

Historical catalog variants

Archived sizes and colors

5 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

xmallMLXLXXL

Published colors

Black
View 5 archived size/color combinations
SizeColor
xmallBlack
MBlack
LBlack
XLBlack
XXLBlack

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame ConstructionTIG-welded
Frame MaterialAluminum
ForkEVO aluminum
Fork MaterialAluminum, aero crown

Drivetrain

Component GroupShimano Sora
ShiftersShimano Sora
Front DerailleurShimano 2200, bottom-pull/31.8
Rear DerailleurShimano Sora
CranksetTruvativ IsoFlow, 30/42/52 teeth
Rear Cogs8-speed, 11 - 24 teeth
ChainKMC Z72
PedalsWellgo

Brakes

BrakesPromax Dual-Pull brakes, Shimano Sora levers

Cockpit & Contact Points

Headset1 1/8" integrated Ritchey Zero Stack
HandlebarAxiom
Handlebar ExtensionsNot included
StemRitchey
SaddleSelle Italia FK
SeatpostAxiom, 27.2mm diameter

Wheels & Tires

HubsShimano HB 2200
RimsAlex R500
SpokesStainless steel, 14ga. (2.0mm) straight gauge
Front Tire700 x 23C Kenda Koncept
Wheel Size700c wheels

Gearing

Chainring ÷ rear sprocket

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

Published build52/42/30T · 11–24T · 8-speed
Lowest1.25:1 Highest4.73:1 Total range378%
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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC Z72
Retailer offers · Affiliate links
Front tire · Original
700 x 23C Kenda Koncept
Retailer offers · Affiliate links
Saddle · Original
Selle Italia FK
More parts (6)
Rear derailleur · Original
Shimano Sora Search: Shimano Sora 8-speed mechanical rear derailleur
Shifters · Original
Shimano Sora Search: Shimano Sora 8-speed mechanical shifter
Seatpost · Original
Axiom, 27.2mm diameter
Retailer offers · Affiliate links
Headset · Original
1 1/8" integrated Ritchey Zero Stack
Rims · Original
Alex R500
Hubs · Original
Shimano HB 2200

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. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
0 of 19 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: 2006 Norco CRD-4 · Road/sport · Published sizes: Xmall, M, L, XL, XXL

Archived: Frame: TIG-welded · Fork: EVO aluminum · Aluminum, aero crown

Archived: Group: Shimano Sora · Shifters: Shimano Sora · Front derailleur: Shimano 2200, bottom-pull/31.8 · Rear derailleur: Shimano Sora · Crankset: Truvativ IsoFlow, 30/42/52 teeth · Rear cogs: 8-speed, 11 - 24 teeth · Chain: KMC Z72

Archived: Brakes: Promax Dual-Pull brakes, Shimano Sora levers

Archived: Wheel size: 700c wheels · Rims: Alex R500 · Hubs: Shimano HB 2200 · Front tire: 700 x 23C Kenda Koncept

Controls and contact points

Archived: Headset: 1 1/8" integrated Ritchey Zero Stack · Handlebar: Axiom · Stem: Ritchey · Seatpost: Axiom, 27.2mm diameter · Saddle: Selle Italia FK · Pedals: Wellgo

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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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