Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents
Box One I-Spec II R Shifter Adapter - boxcomponents

Box One I-Spec II R Shifter Adapter

$24.99 • Save
Color Black

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The Box Two I-Spec II adapter allows any Box shifter to mount directly to a I-Spec II compatible Shimano™ brake. This simplification makes any cockpit clean and tidy by integrating 2 clamps into one.  

Compatible with I-Spec II R
Matte Onyx™ Finish
Fits All Box Shifter

Hardware 1215 Steel
Material Aluminum
Compatibility Works with 7, 9 and 11 Speed Systems
Weight 12g/0.42oz

Box One™ 9S Shifter
Box Two™ 9S Shifter
Box Three™ 9S Shifter
Box Four™ 8S Shifter

SKUBX-SH1-AAISII-BK

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IS PRIME 9 SIMPLER?

  • Same Range With Fewer Gears
  • Ease of Set-up
  • Wide Compatibility
  • Less Maintenance
  • Don’t Worry, All Bike Shops Are Familiar With 9 Speed Platforms!
           

IS PRIME 9 MORE DURABLE?​

  • Straighter Chain-line       
  • Unique 9 Speed Chain          ◦
  • ​Single Shift Option (E-MTB)         
  • ​Fewer Gears (fewer shifts)         
  • ​Full Steel Cassette (all tiers)

DOES PRIME 9 PERFORM BETTER?

  • Shifting Less Means Faster Riding
  • Optimized Shift Ramps
  • Consistent Gear Jumps
  • Lightweight Cassette
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