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Related Categories: Kosei K1 | Kosei K1 Wheels | Kosei K4r | Kosei K5r | Kosei K1 15x7 | Lightweight Rims | Kosei Rims | Kosei K1-ts | Kosei Wheels | Kosei 17
  • Kosei K4R Real World Reviews

  • Kosei has a long history of building lightweight wheels at affordable prices. Their latest offering is the K4R. This 9-spoke wheel has been available for over a year, so we have been able to collect some real world feedback from customers who have put this wheel through its paces under demanding…

  • Kosei K1 Racing Versus New Kosei K5R

  • …would look no further than the Kosei K1 Racing wheel. Designed for track use, the Kosei K1 Racing meets many of the demands of the weekend warrior racer. Whether you are a driver participating in HPDE track days, driving schools or even just autocrossing, the Kosei K1 Racing is both light, durable…

  • Related Products: Kosei K5r | Kosei K1 17x9 | Kosei Racing
  • New Kosei K8R Lightweight Wheels

  • Kosei. In years past, their popular K1 Racing design has been extremely popular due to its strong, lightweight design and modest price point. While that design has been phased out in most sizes, they have a great replacement option in the new Kosei K8R that's available in two finishes. Kosei K8R…

  • Related Products: Kosei K8r | Kosei K5r | Kosei K1 Wheels
  • Grand-Am Racing and Kosei Racing Wheels

  • …were running a very light, strong street wheel, the Kosei K1 Racing wheel. These wheels have been used for years by club racers driving Mazdas to BMWs. A number of the front-running BMW 3-Series racecars at Mid-Ohio were on the Kosei wheel. And all the cars in this series were running Continental…

  • Kosei K1 Racing Wheels for Mazda Miata

  • …MAZDA Miata. Looking for a light, high quality and attractive performance alloy wheel for my vehicle, I took a look at the options available from Kosei. While many of their styles look great, I chose the K1 Racing. Below is a photo of my vehicle with the wheels. Many racers, autocrossers and drivers…

  • Why two valve stems on Kosei K1 wheel?

  • Our Kosei K1 TS has two valve stems and many customers ask why. They are located 180 degrees from each other. In racing, many teams use nitrogen. Nitrogen has larger molecules than ambient air and is less likely to "seep" through the pores in all tires. It also is less sensitive to…

  • Related Products: Kosei K1-ts | Kosei K1 | Kosei K1 Ts
  • BMW Lightweight Wheels

  • You have decided to take the BMW to the track and you don't want to use its original wheels and tires. The Kosei K1 Racing is a proven wheel that is used by autocrossers and track guys every weekend. They are lightweight in a 17x8.5 wheel and 16.8 lbs. currently priced at $175.00 per wheel.…

  • Related Products: Kosei K1 | 17x8.5 | Bmw Wheels
  • Looking for Lightweight Wheels?

  • …Shop by vehicle. Then you can filter search results by brand, diameter, finish and weight. Enkei Racing Series RPF1 (Black Painted) on 2009 Subaru Imperza WRX - 17x7.5 15.2 lbs. Kosei K1 TS (Silver Painted) on 2006 Mazda MX-5 Miata - 17x9 16 lbs. Take a look to see which wheel fits your vehicle!

  • Lightweight, Track-Proven Wheels

  • …be doing some autocrossing or track days and you’re looking for some lightweight wheels for your BMW 3 Series or Mazda. Take a look at the Kosei K1 Racing or the Enkei RPF1. Both of these wheels will reduce unsprung weight and make your car stop faster and accelerate quicker. Both are goals…

  • Tires & Wheels for BMW Club Racing

  • For club racers, I have found the TRMotorsport C2 and the Kosei K1 Racing wheels work really well on the E36 M3 cars. They are both very light -- the C2 at 19 lbs. and the K1 at 16.8 lbs. Reducing unsprung weight and getting to the same size wheel and tire on all four corners is a good thing for…

  • Related Products: Kosei K1 Wheels | Kumho V710 | Kosei K1

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