The range of rims on offer in 650c is quite poor. Hense I bring in these from the USA. The velocity A23 which is 23mm wide.

This set is built with bitex RAF/RAR12 hubs and Sapim CX-rays to create a 1360g wheelset in 20F/24R spoke count. That's enough for the riders if 650c wheels. 

Cost £408

A customer called with a problem. Specialised in there infinite wisdom created the SCS standard for reason no one else could understand they also forgot to tell anyone so only there roval wheels fitted. Specialised then prompltp dropped this rear wheel stamdard and have now stopped making the rival wheels for it. 

So take one pair of SCS hubs in 24h drilling  and lace them to the BORG45disc to create the BORG45 DISC SCS.

This set with tape and valves is 1745g. So that's approx 100g more than the standard wheelset with the BORG DX hubs but the customer now has wheel that are useable. 

If what you need is not listed give me a bell. There is normally a solution.

The photos are quick ones better shots to come.

Gravel and XC MTB riding are similar enough that rims should be no different.

The BORG30 is light, stiff and fun to ride. 

Wheelset weight with Sapim Force spokes and BORG DX hubs is 1450g. 

The rims are tubeless compatible and hookless. Tubed tyres can be used but why would you want to. The internal width of the rim is 25mm. External width is 30mm.

Gravel wheels are not aero wheels.  40mm tyres put a kybosh on that so it should have round spokes. Also ditch the need for aero rims a wide shallow rim can be used. With the right profile this can still be radially and laterally stiff. 

The hubs are 12mm thru axle compatible and reliable. They are made for centrelock rotors but 6 bolt adapters are available.

One important aspect of tubeless compatibility mean to me a tyre that will remain seated with no air pressure. The BORG30 passes that test. This means once a cut is sealed with tyre plugs or sealant you can reinflate with a hand pump. The wheel can be used with inner tubes but I can't think why you would do that to yourself.

Enter the BORG30.

• Front wheel weight 650g (bare)
• Rear wheel weight 802g (bare)
• Total bare weight 1452g
• 700c and 650B wheel size.
• 370g carbon rim
• 25mm internal width
• 30mm external width
• 20mm deep
• Asymmetric rim (2.5mm offset)
• Triple butted Sapim Force black spokes
• 24F/24R spoke count
• BORG DX or Carbon Ti hubs
• 100x12mm, 100x15mm, and 142x12mm or QR compabile.
• 40mm  to 70mm tyre with.
• Cost £830
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