415 Lightweight Rear Drive Sprockets Kawasaki 250cc/300cc/400cc/500cc,Yamaha R3/YZFR-3
$79.99415 Rear Sprocket is Machined not Stamped from the highest grade aerospace quality 7075-T651 aluminum and weighs (9.64 oz./274g depending on tooth count)
The Yamaha YZFR3 is an entry level sport motorcycle, designed to compete with rivals in 300 cc sector, such as the Honda CBR300R,Kawasaki Ninja 300,Kawasaki Ninja 400 and KTM 390 series. It is designed as a well-balanced sport motorcycle, with some design similarity to R25, such as engine (which is bored out). With a low seat height, the windscreen sufficiently deflects the wind overhead.
The 321 cc performance-oriented engine is lightweight, powerful, and has a wide power band. Most of the power can be found from 7,000 rpm to redline (12,500 rpm approx.). The engine uses a downdraft induction fuel injection system and the 10-spoke cast aluminum wheels reduce unsprung weight. The cylinders are all-aluminum. For 2017, the YZF-R3 offers optional ABS. The 2018 Model has dual channel ABS and is EURO IV compliant. The 2019 saw a big change to the bike with a newer style front end(inverted forks) and better lines and of course better electronics.
You will find the worlds leading performance products here at Spears Enterprises/Spears Racing. The first Spears Racing Yamaha R3 was built in early 2015 and was raced at the club level, since then Spears Racing has produced several winning combinations and is currently supporting racers in the USA and Around the world with their products.
Technical Bulletin 01-2021 prompted us to build a section this spells out the Approved Engine kits/pistons for your Yamaha YZFR3.
415 Rear Sprocket is Machined not Stamped from the highest grade aerospace quality 7075-T651 aluminum and weighs (9.64 oz./274g depending on tooth count)
The Flash Tune ABS Delete Plus should be installed on any that has had the ABS system eliminated. This allows you to remove the ABS module and BPMV from the bike which save 1.55 lbs and frees up space under the air box. Installing a set of Spears Racing Brake Lines will replace the ABS OEM Brake Lines.
Adjustable Cam Sprockets & Holders: This is a must for all tuners it is a known fact that “free” horsepower can be found just by slightly adjusting the timing position (degreeing)
Magnetic Oil Drain Bolt Washer

Let the Auto Tune Module upgrade for the Power Commander V deliver the kind of performance you can brag about. No matter what modifications you’ve made or the elevation you ride in, the Auto Tune Module is the accessory that brings it all together.
Spears Racing is once again making the best products available to you as a “Bundle Kit” the Brembo Front Brake Bundle Kit will allow you to have the Brembo Brake power, feel and confidence over your OEM master cylinder and brake line.
Every Connecting rod is a symphony of precision, material specialist, forging precision, production craftsman , design engineers and engine specialist each contribute know- how and artistry
Chain Hook/Holder© by Spears Racing is to assist the race Team Mechanic, racer or rider once you have removed your rear tire/wheel assembly from your Bike.
This plug will allow you to remove your current turn signal housing assembly left Handlebar Assembly.
This plug will allow you to remove your current turn signal housing assembly left Handlebar Assembly
Micro Polishing very gently polishes and smooths all surfaces and removes metal stresses uniformly. It gently polishes the Metal in the contact zones
Purchase the correct/proper chain for your motorcycle, not like others companies who are selling 120 link chains they are just telling you to get two (2) master links.
DID 415ERZ chain has a tensile strength of 4,540 lbs ( 1 lb. 15.7 oz./898.6g )
Why convert from 520 to 415
A 520 chain is heavier and larger than a race bike in this class needs. Moving to 415 cuts pitch size, chain mass, and usually sprocket mass with it. That is rotating weight at the countershaft and rear wheel. Extra rotating mass takes more energy to accelerate and throws away horsepower as friction. A 415 chain reduces that loss so more power reaches the ground and the bike picks up revs faster.
On Ninja 250/300/400/500 KTM 390 and R3 race bikes, a 415 conversion is one of the most effective ways to shed drivetrain weight. The smaller chain also packs tighter, which helps when you are building a dedicated track or Moto3-style machine. Pair the chain with a 415 conversion kit (sprockets and related hardware) for the full weight and friction benefit.
DID 415ERZ chain has a tensile strength of 4,540 lbs ( 1 lb. 15.7 oz./898.6g )
The Domino Racing grips are 125mm (open ends) and work with most of our street throttle tubes.
Dual compound grip designed with hard and soft compounds for road race conditions
Dimpled pattern for sure grip and lasting comfort Used by more MotoGP teams than any other grip
The Domino throttle controls are all built according to the most modern production processes, solid, robust and very precise, they are the right choice as a spare part or as an upgrade to the oem throttle control of your bik
Customize to pick your grip color
This fairing stay comes with mounting fasteners for quick release.
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International Postal service disruptions
International Mail Service Suspensions
Updated: Oct. 1, 2021
The Postal Service™ is temporarily suspending international mail acceptance for certain destinations due to impacts related to the COVID-19 pandemic and other unrelated service disruptions.
Suspension Due to Unavailability of Transportation
| Afghanistan | Guadeloupe | New Zealand** | Tajikistan |
| Australia* | Laos | Reunion (Bourbon) | Timor-Leste |
| Bhutan | Libya | Saint Pierre and Miquelon (Miquelon) | Turkmenistan |
| Brunei | Martinique | Samoa | Yemen |
| Cuba | Mayotte | South Sudan | French Guiana |
| Mongolia | Syria |
Customers: please refrain from mailing items addressed to the countries listed here, until further notice.
These service disruptions affect Priority Mail Express International® (PMEI), Priority Mail International® (PMI), First-Class Mail International® (FCMI), First-Class Package International Service® (FCPIS®), International Priority Airmail® (IPA®), International Surface Air Lift® (ISAL®), and M-Bag® items.
*Australia’s service disruption affects Priority Mail International® (PMI), First-Class Package InternationalService® (FCPIS®), Commercial ePacket (CeP), International Priority Airmail® (IPA®) packets, InternationalPriority Airmail® (IPA®) M-Bags, International Surface Air Lift® (ISAL®) packets, International Surface Air Lift®(ISAL®) M-Bags, and Airmail M-Bags.
**New Zealand’s service disruption affects Priority Mail International® (PMI), First-Class Package International Service® (FCPIS®), Commercial ePacket (CeP), International Priority Airmail® (IPA®) packets, International Priority Airmail® (IPA®) M-Bags, International Surface Air Lift® (ISAL®) packets, International Surface Air Lift® (ISAL®) M-Bags, and Airmail M-Bags.
Unless otherwise noted, service suspensions to a particular country do not affect the delivery of military and diplomatic mail.