Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Redline
2021 Redline MX Expert
Value Guide market data · 2021 Redline MX Expert
12-month trend
11%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Redline MX Expert
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All MX model years
2021 MX Expert lineup
Overview
About this bike
2021 Redline MX Expert value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- RL Race Hi-Ten w/Tapered legs
- Frame
- 6061 Alloy w/Integrated Headtube
Drivetrain
- Groupset
- 2021 Redline MX Expert
- Crankset
- Race Aluminum 3pc, 165mm
- Bottom Bracket
- Euro
- Chain
- KMC S1
- Chainrings
- 39t, Alloy
- Cassette/Freewheel
- 15t
Brakes
- Brake Levers
- Tektro
- Brakes
- Tektro BX-1V Linear
Cockpit
- Seatpost
- Pivotal 26.8
- Saddle
- Pivotal Race
- Handlebar
- RL Race 5.5" Rise / 12° Back / 1° up
- Headset
- Integrated 1 1/8"
- Stem
- RL Hollow Point Aluminum 1 1/8" threadless
- Tape/Grips
- Redline Hex Expert w/plugs
Wheels & Tires
- Hubs
- Front: Redline Aluminum<br>Rear: Redline Aluminum Flip-Flop
- Rims
- Alloy Race 20 x 1 1/8, 36h
- Rear Tire
- Vee Speedster, 20" x 1 3/8
- Spokes
- 14g Steel
- Front Tire
- Vee Speedster, 20" x 1 3/8
Pedals
- Pedals
- RL Race 9/16" PC pedal
Accessories
- Color
- Dark Grey Blue Gloss
Weight & Sizing
- Size
- 19.5-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.