DT Swiss - RR 521 Disc Brake Rim

Marsoni

M251S

$104.95

Get it in 3 business days with 1 day shipping. Friday, May 29

DT Swiss - RR 521 Disc Brake RimDT SWISS RR 521 DISC BRAKE RIM Looking for a durable rim to build up a gravel, cyclocross or adventure bike? At 32 mm deep and 20 mm wide, the RR 521 is a modern road rim which could have been classified as a cross country rim just a few years ago. Now, it is simply a fantastic way to widen a ride. Material: Aluminium Weight: 520 grams (tolerance of the net weight indication + 5%) Recommended system weight max.: 130 kg ASTM classification: 2 Rim

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I highly recommend! These are so comfortable! Right out of the box, they can be worn all day. The velcro-adjustable straps are great for making for a perfect fit. The aren't clunky to wear, even though they appear to be. They're super cute, in my opinion. The sock liner is textile, so feet feel good all day, not slimy, like leather and suede can sometimes make feet feel if socks aren't worn.

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Reviewed in the United States on March 17, 2026