Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Reid
2021 Reid Boys Viper 20"
Previous used estimate
$139 - $143
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Reid Boys Viper 20"
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Price over time - 2021 Reid Boys Viper 20"
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
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Compare Boys Viper 20" models
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Overview
About this bike
Light and fast, sturdy and resilient, the Viper 20" is the perfect urban adventure kids bike. Featuring Shimano 7-speed, meaning your child won't only be keeping up with the parents, they might be overtaking them too! Parents can be assured that the Viper 20" is built with safety as the first priority. Designed with safe and reliable components such as resilient alloy parts that are ready for anything, making the Viper 20" the ultimate kids bike for tearing around the neighborhood. Gift them the taste of freedom and let them explore the great outdoors! Kids are unforgiving on their bikes but our range of kids bikes are built to withstand that tough love. Suited for riders 120 – 135cm (7 – 9 years old). - One size: 3'9" - 4'4" rider height
Specifications
- Subtype
- 20-inch
- Category
- Kids
- Component Fork
- Alloy
- Component Hubs
- Reid alloy bolt on
- Component Rims
- Reid double wall alloy
- Component Size
- 20-inch
- Component Stem
- Zoom Ahead 1 1/8 alloy
- Product Family
- Boys
- Component Chain
- KMC Z8.3
- Component Color
- Blue
- Component Frame
- 6061 aluminum alloy
- Component Brakes
- Tektro V-brake
- Component Pedals
- Reid PVC platform
- Component Saddle
- Reid junior MTB
- Component Seatpost
- Reid alloy 27.2 mm micro adjust
- Component Shifters
- Shimano Revo shifter
- Component Handlebar
- Reid alloy flat bar
- Component Rear Tire
- Innova 20 x 1.75"
- Component Chainrings
- Alloy crankset single chainring 42T
- Component Front Tire
- Innova 20 x 1.75"
- Component Tape Grips
- Reid ergonomic rubber
- Component Brake Levers
- Tektro kids specific
- Component Bottom Bracket
- VP sealed bearing
- Component Rear Derailleur
- Shimano Tourney TX
- Component Cassette Freewheel
- Shimano 7-speed freewheel (14-28t)
- Hubs
- Reid alloy bolt on
- Rims
- Reid double wall alloy
- Pedals
- Reid PVC platform
- Bottom Bracket
- VP sealed bearing
- Chain
- KMC Z8.3
- Seatpost
- Reid alloy 27.2 mm micro adjust
- Saddle
- Reid junior MTB
- Handlebar
- Reid alloy flat bar
- Rear Derailleur
- Shimano Tourney TX
- Rear Tire
- Innova 20 x 1.75"
- Stem
- Zoom Ahead 1 1/8 alloy
- Brake Levers
- Tektro kids specific
- Brakes
- Tektro V-brake
- Chainrings
- Alloy crankset single chainring 42T
- Fork
- Alloy
- Frame
- 6061 aluminum alloy
- Shifters
- Shimano Revo shifter
- Tape/Grips
- Reid ergonomic rubber
- Color
- Blue
- Size
- 20-inch
- Cassette/Freewheel
- Shimano 7-speed freewheel (14-28t)
- Front Tire
- Innova 20 x 1.75"
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.