DT Swiss RR 521 700c rim with DT Swiss 350 hubs. For disc brake, quick release or 12mm thru-axles. SHIMANO

Made to order, 5 - 7 days for dispatch.

If you have any questions about our wheels or want to double check stock levels please contact us .

Strong, light and durable wheels with quality components hand built in Bristol. We use DT Swiss 350 hubs and the strong and the 32mm deep, semi aero, DT Swiss RR 521 rim. We bring both these components together using DT Swiss Competition double butted spokes and Prolock brass nipples.

With all of our wheels they are hand built to a high standard within 0.2mm lateral and 0.5mm radial tolerances.

These wheels are built to order and available within 5-7 days once an order is place.

Hubs - DT Swiss 350

• Whilst DT's legendary superlight 240 hub gets all the glory, out there winning everything from Grand Tours to DH World Championships, no other hub powers as many rides as DT's value workhorse; the 350
• Based heavily on the 240, the 350 has a less-machined hub shell and axle, saving considerable CNC time at the cost of a slightly higher weight
• As a major upgrade, the latest 350 rear hubs now feature the 36-tooth SL ratchets, greatly speeding up engagement and reducing the weight of the rear hub
• DT are the original ratchet hub innovators, with over 25 years of development and refinement behind it no other manufacturer has matched DT's system for ease of service. reliability and durability
• Tool-free servicing concept make maintenance quick and simple, even mid-ride in a pinch
• The same quad bearing system as used in the 240, with custom DT steel bearings and improved contact-free double flange sealing giving added durability and performance
• This all comes together to make the 350 an exceptional performer at its price point; tough. light, fully rebuildable and renowned for its long term reliability, the 350 is the natural choice for almost any build

Rims - DT Swiss RR 521 700c

• Designed from the ground up for wider 28-35c road rubber, the RR 521 offers a full 20 mm of internal width making it the perfect match for the latest endurance road disc brake bikes
• The RR 521 is the bruiser of the Endurance Road range, the 32 mm deep semi-aero section is hugely stiff and strong, making it ideal for heavier riders or those looking to load up before heading out
• Can be run either with standard clinchers or road tubeless tyres using DT Swiss tubeless tape and valves
• Comes packaged with DT Swiss Squorx ProHead nipples and PHR washers to complete your build
• Strength Boost Welding Technology creates a perfectly welded join for a durable, reliable rim
• PHR washers and convex Squorx nipples naturally align perfectly with your chosen spokes, increasing stiffness and durability with no weight penalty over traditional eyeleted rims
• Unique process for the black coating produces a tough and durable finish
• Suggested maximum system weight of 130 KG, those looking for a lighter 20 mm wide rim with are advised to consider the RR 421 DB's
• Presta drilling
• Outer width: 24 mm, Inner Width: 20 mm, Height: 32 mm
• Max spoke tension: 1200 N
• Weight: 520 grams

Spokes - DT Swiss Competition double butted in black

Nipples - DT Swiss Prolock brass in black

Due to the nature of this product we are not able to offer refunds but all of our hand built wheels come with a workmanship guarantee and free spoke replacement for the life of the wheel.