Honda Ruckus Disc Brake Conversion Builder
Pick Black or Silver and Stock Height or Lowered for an instant matched build, or scroll down and customize every part yourself — forks, caliper, rotor, brake line, controls, and more.
Build It For Me
Pick a color and a ride height and we'll auto-select the matching part in every section below — forks, caliper, rotor, brake line, master cylinder, hanger, axle, and accessories. Just review and hit "Add All to Cart."
Forks
Pick the ride height for your front end. Each fork comes in Black or Silver — choose your color when you add it.
Lowered Forks
3" lower than stock, oil-filled hydraulic telescopic forks. Accepts a 12mm axle for disc brake wheels. Black or Silver.
Stock Height Forks
NCY standard-length forks at stock ride height, built for disc brake wheels. Black or Silver.
Caliper
4-piston ProBld caliper, confirmed in Black, Silver, Red, or Gold — choose your color when you add it.
ProBld 4-Piston Brake Caliper
4-piston caliper, front or rear, 82mm mounting hole spacing (PH82). Triple bleeders, common pad shape, banjo bolt/crush washers/pads included.
Caliper / Hanger Mounting Bolts (x4)
Titanium M8x1.25x30 caliper and hanger mounting bolts.
Rotor
220mm ripple-cut floating rotor, confirmed in Black, Silver, Red, or Gold — choose your color when you add it.
220mm Ripple-Cut Floating Rotor
Floating two-piece rotor design keeps the disc cooler for better stopping power and longer pad life.
Rotor Mounting Bolts (x3) — NCY Electroplated
NCY electroplated rotor bolt set — a budget-friendly alternative to the titanium bolts.
Brake Line
Steel braided quick-disconnect brake line. Choose 29" (for Lowered, low-bar builds) or 40" (standard/Stock Height) when you add it — titanium banjo bolts and crush washers are already included.
ProBld Steel Braided Brake Line
Quick-disconnect steel braided line, 29" or 40" length, titanium banjo bolts and crush washers included.
Master Cylinder
Single (front disc only) or Dual (front + rear disc). Choose your color when you add it.
Single Master Cylinder + Perch
Front-only billet master cylinder + matching left perch. Flip-up levers, integrated brake sensor wiring, mirror mount.
Dual Master Cylinder Set (Front + Rear)
For builds running disc brakes front and rear. Flip-up levers, plug-and-play brake light switches, mirror mounts. Only for front + rear disc setups — not compatible with drum brakes.
Caliper Hanger
Mounts the caliper to the fork for proper 220mm rotor fitment. Hanger color and accent plate color are chosen together as one variant — pick your combo when you add it.
Caliper Hanger / Mount
Attaches to your forks to extend the caliper out for proper 220mm rotor fitment. Choose your hanger + accent plate color combo (e.g. "Silver w/ Black Plate").
Axle
12mm titanium front axle and spacers matched to the hub setup used by these parts.
12mm Titanium Front Axle
12mm front axle with titanium nuts, matched to the disc brake fork/hub spacing.
Wheel Spacers Kit
Pre-cut spacers matched to the hub setup used by these parts — saves guesswork on install.
Accessories
Plug-and-play controls that finish off a disc brake front end build.
Left-Hand Control
Plug-and-play horn, turn signals, and high/low beam in one billet control.
Start Button (Stealth)
Plug-and-play stealth start button. Installs in place of your master cylinder front clamp — no cutting or splicing.
Start Button (100% Plug & Play)
19mm billet push button mounts directly into the factory Ruckus battery box holes. Multiple finish/logo styles. Alternative to the Stealth button above — pick one.
NCY Bearing Throttle & Grip Set
Bearing-style throttle with matching grips for a smoother flick of the wrist, fits 7/8" bars.
Billet Triple Tree / Steering Stem
ProBld billet triple tree/steering stem, machined in Natural or Black finish.
Not Sure Which Parts You Need?
If you're not sure which fork, master cylinder, or control setup matches your build — or you want something more custom — our Custom Parts Estimate is the easiest way to get exactly what you need.
We'll schedule a phone call, discuss your goals, and build a personalized parts list for your project. If you move forward with your purchase, the cost of the estimate is refunded toward your order.