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The first-month mod is inevitable
Your stock parts are worth money.
You bought the bike, then swapped the saddle, the brakes, and eventually the battery. Send us the takeoffs. We credit your account instantly and apply it to your upgrades at checkout, automatically.
01
Tell us what you pulled off
Pick your stock parts from the list, grade the condition honestly, and see the quote before you commit.
02
Credit lands instantly
Accept the quote and the credit hits your garage balance right away. Print the free label, ship when you're ready.
03
It applies itself
No codes to remember. Your balance is deducted automatically from your next order, whether that's $19 grips or a $749 mid-drive.
The bike index
We know your bike's parts by name
Sur-Ron to RadRover — we track the stock parts on every common e-bike, what each one trades for, and what riders replace it with. Find yours and start a quote with the usual takeoffs already loaded.
Find your bikeThe greatest hits
Upgrades riders actually do
Fresh off someone's bike
The used board
Sur-Ron
Light Bee Stock Rear Shock
Takeoff at roughly 100 miles. Cosmetic scuffs on the spring, damper is tight, no seepage.
$79$210 new
Sur-RonLight Bee Stock Controller
Pulled working from a running bike. Case scratches only, wiring uncut with factory connectors.
$59$150 new
Super73RX Stock Bench Seat
Two weeks of use. Minor corner wear on the piping, foam and rails are perfect.
$49$120 new
Shop by system
Batteries & Range
Higher capacity packs, range extenders, chargers
Motors & Drives
Hub motors, mid-drives, and drive upgrades
Controllers & Displays
Controllers, displays, and tuning hardware
Drivetrain
Cassettes, chains, derailleurs rated for e-bike torque
Brakes
Hydraulic brakes, rotors, and pads for heavier bikes
Tires & Wheels
Puncture-resistant and higher-speed rated rubber
Cockpit & Comfort
Saddles, grips, bars, suspension seatposts
Racks & Cargo
Racks, bags, and fender kits
Suspension
Forks, shocks, and seatposts that fix harsh stock rides
