gravel bike rim brakes Crust Rim Brake Rims – Crust Bikes
SKU: 921024455
gravel bike rim brakes

gravel bike rim brakes Crust Rim Brake Rims – Crust Bikes

$19.93 $22.14
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Description

gravel bike rim brakes Crust Rim Brake Rims – Crust BikesThe Crust Rim Brake rims were designed by Matt with 42 48mm tires in mind. They are double wall for durability, but slimmed down where they can be to keep them as light as possible. I am not aware of a lighter weight rim in this width that is rim brake compatible. That all being said, this rim can withstand some gravel randonneur style riding, but may not be the best choice for your mountain bike you plan on sending down the side of a cliff like

 

The Crust Rim Brake rims were designed by Matt with 42-48mm tires in mind. They are double wall for durability, but slimmed down where they can be to keep them as light as possible. I am not aware of a lighter weight rim in this width that is rim brake compatible. That all being said, this rim can withstand some gravel/randonneur style riding, but may not be the best choice for your mountain bike you plan on sending down the side of a cliff like you're Randy McKaksil. These rims are tubeless compatible for all of you looking to get the purest ride out of your high thread count rubbers.

Sold per rim. If you want two, add two to your cart.

Spoke Tension:  

These rims are very light weight and if you try to run the tension up super high with some sort of plan to have a wheel set that feels like you're rolling on a set of dull saw blades, they may not be for you. If that is the case, maybe look into some carbon tri spokes. If you have a Park Tool Tension Meter, the ideal reading when using a 2.0/1.8/2.0 stainless spoke will be somewhere between 15 and 20, anything past 20 I wouldn't recommend. If you go by feel, well...you should know then.

Details:

Made in Taiwan

Color- Silver

Rims- Double Wall 6066 Aluminum with Welded Joint

Spoke Hole Count- 32h

Brake- Rim Brake Compatible

Valve Hole- Presta

Rim Size- 650b or 700c

External Rim Width- 27mm

Internal Rim Width- 23mm

Sidewall Height- 11mm

Tubeless Compatible

ERD's- 650b= 572mm | 700c= 609mm

Weight- 650b = 395g +/- 5% | 700c 440g +/- 5%

*note, price per rim*

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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SKU: 921024455

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Z The P
Grantham, US
★★★★★ 5
Good Speakers - Good Reputation - Good Purchase
Size: 5.25” Woofer
Good sounding, high quality speakers. These are Klipsch...enough said.
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Reviewed in the United States on March 31, 2026
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Verified Purchase
Hatem
Lake Worth, US
★★★★★ 5
Klipsch R50 M next generation
Size: 5.25” Woofer
In spite of small size sound is very nice iam using it with a subwoofer and with my yamaha A4A AV receiver i like it iam hearing mostly heavy metal and the speakers have a nice punch and attack
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Reviewed in the United States on February 18, 2026
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Verified Purchase
Yaniv.F
Port Orchard, US
★★★★★ 4
compact surrounds that blend well with the right setup
Size: 4” Woofer
I picked up the Klipsch R‑40M as part of a full 5.1 system built around the R‑50M fronts and the R‑50C center. My original plan was to use another pair of R‑50M speakers in the back, but they simply didn’t fit in the rear cabinet space I have. The R‑40M ended up being the only model that fit comfortably, so they became my surround channels. In terms of build quality, they feel solid and consistent with the rest of the Reference Next‑Gen line. The copper woofers and updated horn design give them the same visual identity as the larger models, which helps the whole system look cohesive. They’re compact enough to place in tighter spaces without compromising too much on performance. Sonically, the R‑40M does a respectable job as a surround speaker. Effects are clear, directional cues are easy to follow, and they integrate smoothly with the more powerful R‑50M fronts. That said, they are noticeably less powerful than the R‑50M, so you need to spend a little time balancing your levels. Once I bumped their channel trim a bit and adjusted the distance settings, the rear soundstage locked in nicely and felt much more even. They won’t deliver the same fullness or dynamic punch as the larger models, but for rear channels that’s usually not a deal breaker. What matters is clarity and consistency, and the R‑40M handles both well. Movies with active surround mixes feel immersive, and ambient effects wrap around the room without calling attention to the speakers themselves. If you’re building a system where space is limited in the back, the R‑40M is a practical and capable choice. Just be prepared to fine tune your calibration so they match the output of the bigger speakers up front. Once dialed in, they round out a 5.1 setup very effectively.
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Reviewed in the United States on January 22, 2026
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Integrion
Pawtucket, US
★★★★★ 5
Great Bang for the Buck!
Size: 5.25” Woofer
These R50 Studio Monitors are worth every penny. One could easily spend a heck of a lot more to get less. Have been a pro audio engineer my entire life. These monitors kick out clean, solid bass and accurate highs. Klipsch did a excellent job designing these monitors. Perfect for smail spaces where fidelity is critical. If you wall mount these, make sure you leave at least a 1.5 inch air gap between the back of the monitor and the wall. These units are sweet.
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Reviewed in the United States on July 22, 2025
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Kgolfinghawaii
West Palm Beach, US
★★★★★ 5
Worth the price
Size: 5.25” Woofer
I had in ceiling front speakers and went with these instead. The front ceilings are now height speakers. Sounds great now.
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Reviewed in the United States on January 23, 2026

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