Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2003 Diamondback Topanga Comp Disc
Value Guide market data · 2003 Diamondback Topanga Comp Disc
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Price over time - 2003 Diamondback Topanga Comp Disc
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All Topanga model years
2003 Topanga Comp Disc lineup
Overview
About this bike
2003 Diamondback Topanga Comp Disc value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame Construction
- TIG-welded
- Frame Tubing Material
- 6061 T6 aluminum w/replaceable derailleur hanger
- Fork Brand & Model
- Rock Shox Judy TT, 100mm travel
- Fork Material
- Aluminum/magnesium, single crown
- Rear Shock
- Not applicable
Drivetrain
- Groupset
- 2003 Diamondback Topanga Comp Disc
- Component Group
- Shimano Deore LX
- Shift Levers
- Shimano Deore LX
- Crankset
- Shimano FC-M572, 22/32/44 teeth
- Bottom Bracket
- Shimano BB-ES30, 111mm spindle
- Rear Cogs
- 9-speed, 11 - 32 teeth
- Chain
- SRAM PC-49, 1/2 x 3/32inch
Brakes
- Brakeset
- Shimano BR-M475 Mechanical Disc brakes, Shimano Deore LX levers
Cockpit
- Seatpost
- Aluminum micro-adjust, 27.2mm diameter
- Saddle
- Avenir ATB SS
- Handlebar
- Aluminum, 1inch rise
- Handlebar Stem
- Aluminum Ahead type
- Headset
- 1 1/8inch integrated Tien Hsin No.10 ZST
Wheels & Tires
- Hubs
- Shimano HB-M475
- Rims
- Alex AL-DM18, 32-hole
- Tires
- 26 x 2.10inch WTB VelociRaptor
- Spoke Brand
- Stainless steel, 14ga. (2.0mm) straight gauge
Pedals
- Pedals
- Resin body/aluminum cage w/clips & straps
Accessories
- Colors
- Snap Yellow/Black
- BB Shell Width
- 68mm English
- Extensions
- Not included
Weight & Sizing
- Sizes
- 14inch, 16inch, 18inch, 20inch, 22inch
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.