Sitta P001 front sprocket for Aprilia RSV4 – chromium-molybdenum steel, 520/525 pitch
02 · Data & docs

The facts.

Technical data
BrandSitta
Part NumberP001
ComponentFront sprocket
MaterialChromium-molybdenum steel
Available Tooth Counts14, 15, 16, 17
Chain Pitch520 / 525
520 VersionLightening holes for reduced weight and improved cooling
525 VersionSolid body for maximum stability and durability
FitmentAprilia RSV4 / RSV4 R / RSV4 RR / RSV4 RF / RSV4 1100 Factory (2009–2026)
DescriptionThe whole story▼

Few components define the character of a V4 drivetrain quite like the front sprocket, and Sitta's P001 has earned its place on Aprilia RSV4 machines from the original 2009 model right through to 2026. Machined from chromium-molybdenum steel and finished to the exacting tolerances that Sitta's motorsport heritage demands, this sprocket delivers the kind of precise power transfer that riders notice the moment they crack open the throttle.

Key Features

  • Chromium-molybdenum steel construction for exceptional resistance to wear and drivetrain stress
  • Available in 14, 15, 16 or 17 teeth and in 520 or 525 pitch — choose the exact gearing to suit your riding style
  • 520 variant features lightening holes for reduced rotational mass and improved heat dissipation
  • 525 variant is solid throughout for maximum structural integrity under sustained high-load use
  • Precision-machined fitment eliminates play at installation, protecting the chain and rear sprocket from uneven wear
  • Suitable for road, track day and full competition use across the entire RSV4 model range

Design, Finish and Heritage

Sitta has been supplying drivetrain components to the European motorsport market for decades, and that lineage is visible in every detail of the P001. The sprocket is cut from high-grade chromium-molybdenum steel — a material chosen for its superior tensile strength and fatigue resistance compared to standard carbon steel. The machining tolerances are held tightly enough that the sprocket seats flush and true on the splined output shaft first time, every time.

The 520 pitch version carries a series of precisely positioned lightening holes around the sprocket body. These reduce rotating mass at the most effective point in the drivetrain, sharpening throttle response and keeping temperatures in check during back-to-back track sessions. The 525 pitch version is produced without holes, retaining the full cross-section of material for maximum rigidity — the preferred choice for riders who prioritise durability and absolute stability over marginal weight savings.

Understanding Gearing: Choosing Your Tooth Count

The tooth count you select has a direct and measurable effect on how your RSV4 behaves on road or track. Smaller front sprockets — 14 or 15 teeth — shorten the overall gearing ratio, sharpening acceleration and making the bike more responsive out of slow corners. Larger counts — 16 or 17 teeth — lengthen the ratio, raising top speed potential and reducing engine revs at motorway cruising speeds. The P001 is available across the full four-tooth range so you can dial in exactly the ratio that suits your circuit, your riding style or your daily ride.

Fitment and Compatibility

The Sitta P001 front sprocket is designed and tested specifically for the following models:

  • Aprilia RSV4 — all variants (R, RR, RF, Factory, 1100 Factory)
  • Model years: 2009 to 2026
  • Chain pitch: 520 or 525 — select at the time of ordering

Specifications

Brand Sitta
Part Number P001
Component Front sprocket
Material Chromium-molybdenum steel
Available Tooth Counts 14, 15, 16, 17
Chain Pitch 520 / 525
520 Version Lightening holes for reduced weight and improved cooling
525 Version Solid body for maximum stability and durability
Fitment Aprilia RSV4 / RSV4 R / RSV4 RR / RSV4 RF / RSV4 1100 Factory (2009–2026)
FitmentWhich bikes this fits▼
  • Aprilia RSV4 / 1100 Factory / R / RR / RF (2009–2026)
07 · Support

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08 · Paddock

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