Hand built Hope Pro 4 hubs with DT Swiss XM521 rims


Moonglu Wheelworks Hand Built 650b+ Mountain Bike Wheels

Wide profile 650b+ all mountain and trail disc rims built onto Hope Pro 4 BOOST compatible 6 bolt disc hubs.  

Hope's brand new Pro 4 6 Bolt Disc Mountain Bike Hubs handbuilt onto DT Swiss XM521 wide profile trail and All Mountain rims. Available only in 27.5" for plus sized wheels, the XM521 is DT's premium welded joint aftermarket wide profile all mountain rim. A new generation of tubeless compatible rim from DT Swiss, at 40mm wide (40mm OD: 35mm ID) the XM521 is one of the widest and lightest available in the All Mountain plus sized rim category. 

Build specification:

Wheel Weight

  • Front Wheel - 961g (27.5" with standard spokes)
  • Rear Wheel - 1078g (27.5" with standard spokes, alloy freehub)
  • Total Weight - 2039g
  • 27.5" Rim only - 545g

Hub Axle Options

Front Wheel Rear Wheel
9mm Standard Quick Release 10mm Standard Quick Release
9mm Thru Axle (DT RWS type) 10mm Thru Axle (DT RWS type)
15mm Thru Axle (Torque Caps Available to Order) 135 x 12mm Thru Axle
20mm Thru Axle 142 x 12mm Thru Axle
110 x 15mm BOOST Thru Axle 148 x 12mm BOOST Thru Axle

Further Information

  • The rear wheel can be supplied with the option of 9/10/11 speed compatible alloy or steel freehub body, SRAM XD drive compatible or Hope's own freehub body for their 10-44 cassette. 
  • These rims are tubeless compatible, they will be supplied by Moonglu with 1 round of tubeless tape.
  • For all the wheel aficionados, we build all our wheels with the hub logo lined up with the rim valve hole. A small matter, but important to those with a wheel fetish.
  • The wheel weights quoted above are genuine, complete wheels measured in the shop.
  • For further information about our wheel builds please refer to our Wheel Building FAQs.
  • Warranty Policy

Build time

Before ordering these wheels, please understand that the wheels will generally be built to order from the component parts. Items shown instock will be instock in their component parts, ready to be laced up, tensioned and trued. In most cases we can't pluck these wheels off the shelf, pack them into boxes and dispatch them, if only life was that easy. We will do our utmost to make the turnaround time as quick as possible (usually 7-10 days), but if you are in doubt, please Contact us first. 

Ways to Pay

1. Our wheels are now available with 0% Finance. If you would like to spread the cost of these custom wheels please contact us via email (info@moonglu.com) and we can forward the application form to be filled in online. It's simple to complete with a quick decision. eg. Deposit = £120, 6 Monthly Payments £75. Total Amount Payable = £570 Applicants must be 18 or over and UK resident. Further details are available on our Finance Blog.

2. For card or Paypal payments please use our normal checkout page and get 10% discount by using code MTB10

Stock, Shipping and Returns

Shipping Destinations: United Kingdom and Europe (additional shipping cost for Europe) 

Returns Class: Custom

Delivery: Free in the UK

Click and Collect: Yes


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Moonglu Independent Bike Shop | 57 Blossomgate | North Yorkshire | HG4 2AN | info@moonglu.com | 01765 601106

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