Chain & Sprockets
- RK state the XW-ring seal holds two lubrication pools, which keep the factory grease in the pin and bushing area and keep dirt out from between the rollers and bushings.
Service life over the previous generation
- RK state the XRE lasts 20 percent longer than the XSO line it replaced.
Driven steel sprockets
- The rear is a C45 steel alloy sprocket, black and case hardened. The front is C45 steel, case hardened and quenched.
Tensile strength
- The 520 XRE is rated at 36.5 kN, or 8,200 lb.
Warranty
- RK cover their OEM Replacement kits with a 20,000-mile warranty, registered through RK.
Specs
| Part number | 2062-190EX |
| Chain | RK 520 XRE, XW-ring |
| Chain size | 520 |
| Chain finish | Natural |
| Front sprocket | 15 teeth, steel |
| Rear sprocket | 43 teeth, steel |
| Sprocket material | Driven C45 steel |
| Master link | Rivet type |
| Tensile strength | 36.5 kN (8,200 lb) |
| Riding style | Street |
Fitment
Year(s) — Make / Model — Stock Gearing — Stock Chain
| 2019–2024 | Kawasaki Ninja ZX-6R (636), ABS and non-ABS | 15T / 43T | 520 — 112 links |
A Note on 520, 525 and 530
The numbers look like they should mean length. They do not. 520, 525 and 530 all share the same 5/8-inch pitch — the distance from one pin to the next is identical across all three. The number describes roller width, and nothing else.
The ZX-6R is a 520 bike from the factory, so this kit is a like-for-like replacement, not a conversion.
Gearing — Staying Stock or Making a Change
This kit matches the stock 15-tooth front and 43-tooth rear on the 2019–2024 ZX-6R. Installing it keeps your bike at factory stock gearing. If you are considering a gearing change, here is the general framework. Going one tooth smaller on the front shortens gearing — quicker acceleration, higher RPM at highway speeds, reduced top speed. The effect is roughly equivalent to adding two to three teeth to the rear sprocket. Going one tooth larger lengthens gearing — lower cruise RPM, softer pull from a stop. Stock gearing on these bikes is well matched for general street use. Neither direction is right or wrong — it depends on how and where you ride.
One practical note: a change of more than a tooth or two can change the chain length you need. We cut chain in house, so work that out before you order, or ask us and we will work it out with you.
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IMPORTANT: Please Review Your Owner’s Manual for Exact Amounts or Sizing of This Product!
Speak to one of our experts today:
469-890-0123
RK
SKU:1230-1723
Description:RK 520 XRE Chain and Sprocket Kit – Kawasaki ZX-6R ’19–24
Product Overview
A complete drive replacement for the 2019–2024 Ninja ZX-6R (636): an RK 520 XRE XW-ring chain in natural finish, a 15-tooth Driven steel front sprocket and a 43-tooth Driven steel rear. That is the gearing these bikes left the factory with, so the kit goes on without changing how the bike pulls or what the speedometer reads. ABS bikes take the same kit as non-ABS.
Both sprockets are steel. Steel is heavier than aluminium but wears far more slowly, which is the trade most riders want on a bike that covers road miles. RK sell this as their OEM Replacement kit and describe it as built for high mileage.
The master link is a rivet type. It is pressed closed with a chain tool, not clipped on by hand — if you are not set up to rivet a master link, have it done.
If your ZX-6R is a 2018 or earlier, this is not the kit for it. RK list the 2007–2018 bike on a 16-tooth front and catalogue it separately.
Key Technology & Design
XW-ring sealing
- RK state the XW-ring seal holds two lubrication pools, which keep the factory grease in the pin and bushing area and keep dirt out from between the rollers and bushings.
Service life over the previous generation
- RK state the XRE lasts 20 percent longer than the XSO line it replaced.
Driven steel sprockets
- The rear is a C45 steel alloy sprocket, black and case hardened. The front is C45 steel, case hardened and quenched.
Tensile strength
- The 520 XRE is rated at 36.5 kN, or 8,200 lb.
Warranty
- RK cover their OEM Replacement kits with a 20,000-mile warranty, registered through RK.
Specs
| Part number | 2062-190EX |
| Chain | RK 520 XRE, XW-ring |
| Chain size | 520 |
| Chain finish | Natural |
| Front sprocket | 15 teeth, steel |
| Rear sprocket | 43 teeth, steel |
| Sprocket material | Driven C45 steel |
| Master link | Rivet type |
| Tensile strength | 36.5 kN (8,200 lb) |
| Riding style | Street |
Fitment
Year(s) — Make / Model — Stock Gearing — Stock Chain
| 2019–2024 | Kawasaki Ninja ZX-6R (636), ABS and non-ABS | 15T / 43T | 520 — 112 links |
A Note on 520, 525 and 530
The numbers look like they should mean length. They do not. 520, 525 and 530 all share the same 5/8-inch pitch — the distance from one pin to the next is identical across all three. The number describes roller width, and nothing else.
The ZX-6R is a 520 bike from the factory, so this kit is a like-for-like replacement, not a conversion.
Gearing — Staying Stock or Making a Change
This kit matches the stock 15-tooth front and 43-tooth rear on the 2019–2024 ZX-6R. Installing it keeps your bike at factory stock gearing. If you are considering a gearing change, here is the general framework. Going one tooth smaller on the front shortens gearing — quicker acceleration, higher RPM at highway speeds, reduced top speed. The effect is roughly equivalent to adding two to three teeth to the rear sprocket. Going one tooth larger lengthens gearing — lower cruise RPM, softer pull from a stop. Stock gearing on these bikes is well matched for general street use. Neither direction is right or wrong — it depends on how and where you ride.
One practical note: a change of more than a tooth or two can change the chain length you need. We cut chain in house, so work that out before you order, or ask us and we will work it out with you.
