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Box Two 20mm Freewheel Hubset 36h Black - boxcomponents
Box Two 20mm Freewheel Hubset 36h Black - boxcomponents

Box Two Oversized 20mm Freewheel Hubset 36h

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All Box hub sets that with axle diameters of 15mm and up are engineered and crafted using our Oversized Technology. For steering stiffness we follow the load paths down the handlebars, through the stem, headset, and eventually to the fork-to-hub interface. To transfer as much of that load from fork to axle we’ve shaped the dropout for substantially more capture of the now oversized 20mm axle. It's the same fundamentals at the rear for pedaling stiffness where we also deploy more substantial diameters to inhibit axle deflection. On both ends the added surface area begs for upsized bearings and consequently we are gifted with materially more contact surface. You’ll put more power to the ground out back and up front you’ll feel in control.When combined with Box’s other Oversized components, you’ll experience heightened responsiveness and reduced latency.

Key differences:The Box Two line optimizes material distribution via a hub shell forging process. Aluminum is engineered away from low stress areas and used to reinforce intersections. In this use case we prioritize stoutness over ultimate mass because power delivery and control trump any benefits that might come from shaving a gram from interfaces.

  • Forged Aluminum Hubshell
  • Aluminum Axle
  • 20mm Axle
  • Freewheel Compatible
  • Sealed Bearings
  • Straight Flanges
  • Laser Etched Graphics


  • Box One X2 Pro Carbon 1 1/8" Cro-Mo Steerer 20" X 20mm Fork
  • Box One X5 Pro Carbon 1.5" to 1 1/8" Alloy Steerer 20" X 20mm Fork 


Q: I don't know how to build wheels, does this hub come in a pre-built wheelset?
A: No, Unfortunately this wheel does not come in a pre-built wheelset at this time. Contact us and we can put you in contact with a local wheelbuilder, or dealer that can assist you.

Q: What spoke lengths should I use when building this wheel to a Box Rim?
A: We have published recommended lacing patterns and spoke lengths for all Box Hub to Box Rim wheel builds on

Q: Can I radially lace this hub?
A: No, Box does not recommend radially lacing on any Box Components hub.

Q: What should I used to Clean this hub and the internals.
A: The internals can be easily dis assembled by removing the cone nuts; the internals can be wiped down with a lint free rag and mild de-greaser and re-greased with a light amount of grease on the cone nuts and retaining O-Rings. Only disassemble if an issue is present.


Rear Front
Axle 20x110 20x100
Hole Drilling 36 36
Material 7075-T6 Aluminum 7075-T6 Aluminum
Hardware Aluminum Aluminum
Driver Type Freewheel Freewheel
Brake Type Rim Brake Rim Brake
Finish Matte Black Matte Black
Weight 245g/8.6oz 235g/8.2oz