Sitta 201W aluminium rear sprocket for Kawasaki ZX-6R 525 pitch anodised⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandSitta
Part Number201W
TypeRear sprocket
MaterialAluminium
Chain Pitch525
Available Tooth Counts37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47
Carrier Pattern80/104-6 hole
Available ColoursSilver, black, hard-anodised, green, red, blue, orange, gold
FitmentKawasaki ZX-6R / ZX-636 / ZX-6RR (2007-2026)
DescriptionThe whole story▼

A direct-fit rear sprocket that works as hard on the daily commute as it does at a trackday — the Sitta 201W is machined from quality aluminium to give your Kawasaki ZX-6R, ZX-636 or ZX-6RR a lighter drivetrain without sacrificing durability. Available in tooth counts from 37 to 47 and in eight anodised colours, it lets you tailor both the gearing and the look of your bike in a single purchase.

Key Features

  • Lightweight aluminium construction reduces unsprung weight and rotating mass for sharper throttle response and more agile handling
  • 11 tooth options (37 through 47) allow precise gearing adjustment for road touring, commuting or track use
  • Eight colour choices — silver, black, hard-anodised, green, red, blue, orange and gold — so the sprocket complements your ZX-6R's livery
  • Hard-anodised finish offers superior surface hardness and wear resistance compared to standard anodising
  • Carrier pattern 80/104-6 hole ensures an accurate, rattle-free fit straight out of the box
  • Precision-machined tolerances mean no filing or adjustment needed during installation

Choosing the Right Tooth Count

Selecting the correct rear sprocket has a meaningful effect on how the ZX-6R feels every time you open the throttle. Use the guide below to match the tooth count to your riding priorities.

  • Smaller sprocket (37-42 teeth): reduces overall gearing, lowers engine rpm at cruising speed and extends top-end reach — ideal for motorway miles and high-speed circuits
  • Larger sprocket (43-47 teeth): raises overall gearing, sharpens acceleration out of slow corners and makes the bike feel more responsive in stop-start traffic or tight technical tracks

The 201W's 11 available sizes mean there is a configuration to suit virtually every riding style — from relaxed road use to serious competition preparation — without replacing any other component.

Build Quality and Finish

Sitta manufactures the 201W from aluminium selected for its strength-to-weight ratio. Each sprocket is machined to close tolerances so that chain engagement is even across all teeth, reducing localised wear and extending service intervals. The hard-anodised colour option goes through an electrochemical process that converts the surface layer into a dense aluminium oxide, producing a finish that outlasts conventional anodising under repeated chain contact. The remaining seven colours are standard anodised, offering a clean, corrosion-resistant appearance that holds up well in road conditions.

Fitment and Compatibility

The Sitta 201W is designed exclusively for the following models:

  • Kawasaki ZX-6R / ZX-636 / ZX-6RR (2007-2026)

This sprocket is compatible with 525 pitch chain only. Carrier pattern: 80/104-6 hole. Part number: 201W.

Specifications

Brand Sitta
Part Number 201W
Type Rear sprocket
Material Aluminium
Chain Pitch 525
Available Tooth Counts 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47
Carrier Pattern 80/104-6 hole
Available Colours Silver, black, hard-anodised, green, red, blue, orange, gold
Fitment Kawasaki ZX-6R / ZX-636 / ZX-6RR (2007-2026)
FitmentWhich bikes this fits▼
  • Kawasaki ZX-6R/636/RR (2007–2026)
07 · Support

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08 · Paddock

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