GR|36 650B Gravel Wheelset


  • All hubs are specified with a Center Lock rotor system for quick and easy rotor installation.
  • Front hubs are 100x12mm and rear hubs 142×12 suitable for 12mm thru axles, unless otherwise specified.
  • Hubs are black as standard. For alternative colours please email us at team[at]

Don’t see the hubs you’re looking for? Get in touch for custom build options, including ceramic bearing hubs.

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Our GR series dedicated gravel rims are perfect for demanding and technical rides on gravel roads and mixed terrain that feature in adventure races such as the Dirty Reiver, Hope Pre Peaks and Grinduro. Our GR|36 650b carbon rims are available with 28 holes and can be built up with hubs from either Hope or Chris King. The GR|36 rim has been designed for wider gravel tyres and will accommodate widths up to 50mm, ideal for even the most technical gravel rides.

For adventures where the ride carries on even when the sun goes down we offer a Son Schmidt dynamo hub option up front which paired with our Gravel Adventure Dynamo fork is the perfect go anywhere and do anything adventure setup.

For 700C carbon gravel rims see our GR|28 wheels offering the same rim width but shallower 28mm rim depth.

For alloy gravel wheelsets, take a look at our GR|23 650B and 700C wheels featuring ÆRA hubs.

Rim Specification

Rim Depth                          36mm

Rim Weight                        378g

Internal Width                  22mm

External Width                 29mm

Spoke Holes                       28

Nipples                                Sapim Black Brass Nipples

Spokes                                 Sapim CX-Ray, black

Tyre Width                          28mm – 50mm

Tyre Type                             Clincher or Tubeless