Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2021 Diamondback Sync'r 24
Value Guide market data · 2021 Diamondback Sync'r 24
12-month trend
11%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Diamondback Sync'r 24
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All SYNC'R model years
2021 Sync'r 24 lineup
Overview
About this bike
2021 Diamondback Sync'r 24 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour XCM Boost 24" w/ 80mm Travel, 28mm Stanchions, 110x15mm Thru-Axle, w/ Preload Adjust
- Frame
- 6061-T6 Aluminum Jr-24" Frame, Formed Tubing, Disc Specific w/ Replaceable Hanger
Drivetrain
- Groupset
- 2021 Diamondback Sync'r 24
- Crankset
- SRAM SX Eagle w/ Steel 30T "Narrow Wide"
- Bottom Bracket
- Truvativ Powerspline
- Chain
- SRAM SX 12 Speed
- Rear Derailleur
- SRAM SX Eagle 12 Speed
- Shifters
- SRAM SX Eagle, Trigger, 12 Speed
- Cassette/Freewheel
- SRAM SX 12 Speed 11-50T
Brakes
- Brake Levers
- Radius Hydraulic
- Brakes
- Radius BH-960 Hydraulic Disc w/ 180mm Front / 160mm Rear Rotors
Cockpit
- Seatpost
- DB Aluminum Micro Adjust, 30.9mm
- Saddle
- DB Sync'r Jr. Saddle
- Handlebar
- Diamondback, 720mm Wide, 15mm Rise, 31.8 Bar Bore
- Headset
- FSA IS-3/NO.11 Integrated Style
- Stem
- Diamondback "Shortie", 45mm Reach, 31.8 Bar Bore
- Tape/Grips
- DB "Flanged" 135mm Silicone
Wheels & Tires
- Hubs
- Front: 32h Aluminum 110x15mm Thru-axle, Sealed Cartridge Bearings, w/ CNC Disc Mount<br>Rear: 32h Aluminum Boost 148x12mm Thru-axle, 2 Sealed Cartridge Bearing, for SRAM XD w/ CNC Disc Mount
- Rims
- Diamondback SL-240 Doublewall, 32h
- Rear Tire
- Vee Tire Crown Gem 24x2.6" Tires
- Spokes
- 14g Stainless Steel
- Front Tire
- Vee Tire Crown Gem 24x2.6" Tires
Pedals
- Pedals
- DB4L Aluminum Platform
Accessories
- Accessories & Extras
- Tool Kit
- Color
- Dark Dusty Blue Matte
Weight & Sizing
- Size
- 24-inch
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.