27.5 Mountain bike

Merida Big Seven mountain bike with Schwalbe Racing Ralph 27.5" tires

27.5 mountain bikes, also called tweeners,[1] are mountain bikes which use a wheel that is approximately 27.5 inches in diameter with the mountain bike tire installed.[2][3][4][5][6] The wheel size is also known as ISO 584 mm and 650B.[7][8] Some manufacturers are also marketing them as 650b.[4] They are seen as a compromise between the two existing standards of the original 26 inch and recently emerged 29 inch mountain bikes. They were pioneered by Kirk Pacenti in 2007,[1][9] and as of 2013, at least 10 companies are launching models with 27.5 inch wheels,[4] and parts manufacturers are following suit.[2][5]

Nino Schurter won the World Cup event at Pietermaritzburg, South Africa,[6] and placed second in the Olympics in 2012 on 27.5 inch wheels.[3]

See also

References

  1. 1 2 Josh Patterson (2012-03-22). "Catching Up With: Kirk Pacenti". Dirt Rag. Retrieved 2013-07-05.
  2. 1 2 Michael Frank (April 16, 2013). "The New Mountain Bike Revolution: 27.5-Inch Wheels". Adventure Journal. Retrieved 2013-05-12.
  3. 1 2 Lennard Zinn (April 24, 2013). "Back to 27.5". VeloNews. Retrieved 2013-05-12.
  4. 1 2 3 Matt Phillips (2013). "Reviewed: 27.5 Mountain Bikes for All Trails". Mountain Bike. Retrieved 2013-05-12.
  5. 1 2 Vernon Felton (2013). "Ready or Not, Here Comes 650". Bike Magazine. Retrieved 2013-05-12.
  6. 1 2 Josh Patterson (Oct 9, 2012). "650b mountain bike wheels: looking at the trends". BikeRadar.com. Retrieved 2013-04-19.
  7. ↑ Sheldon Brown (December 6, 2012). "Tire Sizing Systems". Retrieved 2013-04-10.
  8. ↑ "The 650B Wheel Renaissance". RideYourBike.com. Retrieved 2013-04-10.
  9. ↑ James Huang (March 4, 2013). "NAHBS 2013: Kirk Pacenti's eecranks". Cyclingnews. Retrieved 2013-07-05.
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