Billet CNC Motorcycle Rearset Assembly
Fully machined billet rearset with adjustable footpeg, heel guard, shift and brake lever mounts. Aluminium 6061/7075 with anodize finish option.
// Reference Parts
Workshop & product library photos
These images show the type of work EKINSUN can quote from drawings, samples, photos or worn originals.
CNC Billet Triple Clamp
Custom offset triple clamp machined from 7075 billet. Fork spacing, offset and stem diameter to spec. Anodize in any colour. Popular for track builds and custom cafe racers.
Custom Triple Tree — Billet 7075
Upper and lower triple tree set machined as a pair. Send your fork diameter, offset requirement and stem thread — or send a worn original and we reproduce it.
Anodized Chassis & Frame Brackets
Precision CNC milled frame brackets, engine mounts and subframe hardware in 6061-T6. Black, red, gold and blue anodize available. Motorcycle, trike and sidecar applications.
Titanium & Stainless Motorcycle Fasteners
Custom bolt lengths, non-standard heads, titanium colour anodized finishes. Engine case bolts, handlebar bolts, exhaust studs, sprocket nuts — any spec, MOQ 1 set.
Engine & Motor Clamps — Mirror Finish
Engine mounting clamps and clamping blocks machined to mirror finish. Popular for show bikes and custom builds where billet aluminium is left polished rather than anodized.
Replacement Gearbox & Transmission Shafts
Input and output shafts, layshafts and kickstart shafts for vintage and discontinued motorcycles. Machined from a worn original when no drawings exist.
CNC Motorcycle Engine Gears
Gearbox gears, sprocket blanks and transmission discs machined from 20CrMnTi or 4140 steel. Batch or single replacement gear for vintage and rare motorcycles.
Footpeg & Controls Hardware
Footpeg mounts, lever pivots, linkage blocks and adjuster hardware in billet 6061. One-off or small batch — popular for cafe racer and scrambler builds.
CNC Machined Parts for Motorcycle & Powersports
Motorcycle parts place specific demands on a CNC supplier: weight is critical (every gram matters on a performance machine), tolerances must be tight (suspension geometry is unforgiving), and many parts are one-off or small batch — a single vintage replacement part, or a set of custom rearsets for a race build. At EKINSUN we handle this type of work routinely: prototype quantities, complex geometry in 7075 billet, and reproductions of discontinued parts from worn originals.
Common Motorcycle CNC Part Requests
- Triple clamps (triple trees) — custom fork offset, stem diameter and thread, any fork tube spacing; 7075-T6 billet standard
- Rearsets — fully machined rearset kits with adjustable footpeg positions; anodized finish in any colour
- Titanium fastener sets — engine case bolts, handlebar bolts, brake caliper bolts in Ti-6Al-4V; gold/blue/purple anodize available
- Frame and engine mounting hardware — billet brackets, engine mount plates, subframe extensions
- Replacement gearbox parts — shafts, gears, selector forks for vintage or discontinued models; reproduced from worn sample
- Wheel spacers — front and rear axle spacers to any spec in billet aluminium
- Custom handlebar clamps and risers — offset clamps, bar-end weights, adapter sleeves
- Brake and clutch hardware — master cylinder mounts, reservoir brackets, banjo fittings
Materials for Motorcycle Parts
- 7075-T6 aluminium — the performance standard: 503 MPa yield strength, lighter than 6061, the correct choice for triple clamps and rearsets under load
- 6061-T6 aluminium — for brackets, spacers and cosmetic parts where 7075 strength is not needed
- Ti-6Al-4V Grade 5 titanium — fasteners, brake discs and highly loaded structural parts where both strength and minimum weight are required
- 4140 / 4340 alloy steel — gearbox shafts, gears, selector forks — heat-treated to the required hardness
- 316L stainless — brake banjo bolts, exhaust studs and any part exposed to weather or fluids
Vintage and discontinued motorcycle parts. Many classic motorcycle parts are no longer available — the model was discontinued, the original manufacturer closed, or the part number simply doesn't exist anymore. We reproduce these from a worn or broken original: we measure the part geometry, rebuild the drawing, and machine an exact replacement in the correct material. Send us the worn sample and we quote within 24 hours. See our replacement parts and reverse engineering services.
Who Gets Quotes From Us?
The requests we get most often — and the reason each one ends up at EKINSUN instead of a standard parts supplier.
// Custom Builder
"I need billet triple clamps with a 10mm offset — nothing in the catalogue fits"
Send us your fork diameter, stem thread and offset requirement. We machine from 7075-T6 billet in 10–14 days. MOQ 1 set. No CAD file required — a sketch with dimensions is enough.
// Race Preparer
"I need rearsets 30mm higher and 15mm further back than stock — on a tight deadline"
Track geometry is precise and personal. Send a drawing or rough sketch with dimensions. We CNC mill the rearset kit, anodize in your colour, and ship direct. We've made rearsets from hand-drawn sketches before.
// Vintage Restorer
"My gearbox input shaft is worn — model was discontinued in 1987, no one stocks it"
Send us the worn shaft (even chipped or bent — we measure the undamaged sections). We reverse-engineer the geometry, machine the replacement in 4140 steel, and heat-treat to spec. Exact replacement, not an approximation.
// Parts Brand / Importer
"I want a titanium bolt kit for this model — 50 sets, my own colour, my own packaging"
We machine Ti-6Al-4V bolt sets to spec, anodize in gold/blue/purple, and pack in your branded packaging. OEM supply for accessories brands from 20 sets upward. Quote within 24 hours.
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Replacement Parts
Vintage & discontinued motorcycle parts reproduced from worn samples.
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