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Stan's ZTR Alpha 340 Rim


Stan's ZTR Alpha 340 Rim

The Alpha 340 represents the first implementation of Bead Socket Technology (BST) for the road and cyclocross market. The short sidewalls and wide inside rim cavity allow for lower tire pressure while maintaining a firm tire feel with decreased rolling resistance and a more compliant ride quality.

At just 385 grams, the Alpha 340 rim is many things to many different people. Make no mistake though, they are designed to handle some abuse as well, evidenced by being ridden to a Masters Cyclocross World Championship just months after being introduced.

  • Short sidewalls allow for lower tire pressure
  • The semi-aero profile makes for fast acceleration
  • Exceedingly smooth and extraordinarily fast
  • Black anodized finish with a machined brake track for consistent braking performance
  • Fully tubeless compatible with 2 layers of 21mm yellow tape and 44mm valve stem (tape and stems sold separately)

Oversize/overweight charge applies to this item


Size 700c x 20mm
Hole # 28 or 32
Brakes Rim Brake
Claimed Weight 385g
ISO 622 x 17
ERD 592
Tape Width 21mm
Color Black
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strong reliable rim - Apr 16, 2014

1 2 3 4 5
5 out of 5 stars

I built a set of these rims up with DT hubs and 32 spokes. I'm running them tubeless with Sector 28s. I just finished riding the Paris Roubaix challenge 170km ride that had 50km of the roughest cobblestones in the world. I'm 200lbs and the rims had no issues and i didn't have any punctures. Very strong and reliable rim.

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