Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2011 Diamondback INSIGHT STI-8
Value Guide market data · 2011 Diamondback INSIGHT STI-8
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
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Price over time - 2011 Diamondback INSIGHT STI-8
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All INSIGHT model years
2011 INSIGHT STI-8 lineup
Overview
About this bike
2011 Diamondback INSIGHT STI-8 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame Tubing Material
- Diamondback butted 6061 T6-aluminum
Drivetrain
- Groupset
- 2011 Diamondback INSIGHT STI-8
- Shift Levers
- Shimano Twist
- Rear Cogs
- Shimano 18T
- Chain
- Equation R23
Brakes
- Brakeset
- Linear-pull
Cockpit
- Saddle
- Diamondback Performance Hybrid
- Handlebar
- Diamondback low-rise aluminum
- Handlebar Stem
- Diamondback aluminum
Wheels & Tires
- Hubs
- Front: aluminum; Rear: Shimano Nexus 8-speed internal
- Tires
- Kenda Kwick Trax, 700 x 32c w/K-Shield puncture protection
- Spoke Brand
- 14g stainless-steel
Pedals
- Pedals
- Wellgo aluminum platform
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.