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Crank Brothers
Synthesis 2 Enduro 27.5in Alloy Boost Wheelset

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Why We Like The Synthesis 2 Enduro 27.5in Alloy Boost Wheelset

The Synthesis 2 Enduro Alloy are a lightweight enduro wheelset with the right touch of compliance to maximize grip and control in turns. Both the front and rear wheels are tuned independently to address the specific needs of enduro mountain biking, so we'll always be witness to flawless performance. The front wheel is laced with 28 spokes and is slightly wider, which allows for slightly more compliance and vibration damping for our ride. The rear wheel is laced with 32 spokes and is a tad narrower for a bit more durability and greater tracking at speed.


  • Mountain bike wheels tuned for optimized enduro performance
  • Tuning hits that sweet spot between compliance and stiffness
  • Improved handling with maximized grip for control in turns
  • Wide inner rim width allows us to run wider tires
  • Synthesis Standard hubs offer consistent performance without fuss
  • 6013 alloy construction resists dents and dings
  • Welded and sleeved rim joint for additional strength
  • XD freehub fits SRAM 11 and 12-speed mountain cassettes
  • Item #CRNH022
Rim Material
Wheel Size
Tire Type
Rim Depth
Rim Width
[front internal] 31.5mm, [rear internal] 28.5mm
Brake Compatibility
6-bolt disc
Crank Brothers Synthesis Standard
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
[front] Sapim D-Light, [rear] Sapim Race
Spoke Count
[front] 28, [rear] 32
Claimed Weight
[front] 877g, [rear] 1062g
Manufacturer Warranty
[rims] 2 years
enduro, trail