CZR i30 Rim

Discover the CZR i30 rim designed for XC and trail riding. Built for durability and performance, it's the ideal choice for your next adventure.

$569.95

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SKU: W020-0616

Free shipping $100+Contiguous US only

Free shipping for orders over $100, excluding deliveries to Hawaii and Alaska.

Orders are typically processed within 1-2 business days and shipped via UPS standard ground service from our warehouse in San Rafael, California.

30 day return policy

Decide a product wasn't for you? Return any unused product for up to 30 days with no questions asked.

Warranty policy

We guarantee our products for at least two years. CZR carbon rims receive an additional lifetime warranty.

Usage Trail • Enduro

Product description

CZR i30 are premier mountain rims designed to endure whatever lies in their path. Lateral stiffness that only carbon can provide is combined with fine-tuned radial compliance to make sure CZR i30 holds the line through chunky tech without beating you up in the process. Reinforced spoke holes, Solid Strip integration, an asymmetrical design and two years of development make CZR i30 the most dependable carbon rims on the market. Ride with Confidence Guarantee

CZR i30 Rim

$569.95

Asymmetrical Design

Asymmetrically offset spoke holes help equalize the spoke tension of a wheel build, while the symmetrical outer profile distributes impact forces throughout the entire rim rather than absorbing them by one side more than the other. CZR i30 rims feature asymmetrical spoke offset of 5mm.

Reinforced Spoke Beds

Additional carbon at each spoke bed improves overall rim strength and durability while also minimizing weight in areas where less strength, and therefore material, is needed.

4D Angled Spoke Holes

Molding spoke holes at an angle eliminates binding and lateral loading of the spoke and nipple interface. It also allows spoke tension to be more evenly dispersed on the nipple rather than loading one side more than the other. Allowing the spoke to depart the rim at a natural angle increases the longterm durability of both the spoke and nipple.

TCS Solid Strip

Durable nylon strip that lies between the rim and tubeless tape to prevent tubeless tape from pushing into the spoke holes and ensures a smooth interface between the tire and rim. The smooth surface makes it easier to mount a tire by preventing air from escaping around the bead at each indent during inflation. Solid Strip also protects the airtight system from puncture in the case of a broken spoke.

30mm inner width

Numbers tend to be a hard thing to agree upon in the world of mountain biking, but 30mm has become widely accepted as the perfect inner rim width for trail and enduro riding. Pairing this inner rim width with a 2.4-2.6" tire increases tire volume and sidewall support compared to traditionally narrower rims. The increased volume also allows riders to run lower tire pressures which translates to improved traction and comfort. Most modern mountain tires have beeb designed to provide the optimal profile on a 30mm rim.

HOW DOES RIM WIDTH AFFECT TIRE VOLUME AND PROFILE?

Wider rims will cause a tire to also have a wider width, with more air volume within the tire and a flatter tire tread profile than designed for. As a general rule of thumb, a 2mm increase or decrease of inner rim width will result in a tire section width increase or decrease of 1mm. For example, our Nano 40 tire has a tire section width of 40mm on a 21mm inner rim width, however it will have a tire section width of 41mm on a 23mm inner rim width.

WHY DO CZR i23 RIMS HAVE A HOOKED BEAD WHILE CZR i30 ARE HOOKLESS?

CZR i23 rims feature a hooked bead because doing so provides a more dependable connection between the tire and rim when running a tire at the higher air pressures that are common with adventure road and gravel riding. CZR i30 rims feature a hookless bead because the smooth bead surface allows for more material to be used in an area when strength is incredibly important. Both CZR i23 and CZR i30 rims are compatible with any tires that comply with ETRTO standards.

WHICH TUBELESS VALVE LENGTH IS BEST FOR THESE RIMS?

All of our alloy rims work great with a 34mm valve stem. If you are using a deeper dish rim, like our CZR i23 rim, then we recommend the 46mm long valve stem. CZR i30 rims accept either length of valve.

ARE THERE TRICKS TO INSTALLING A TIRE ON AN ASYMMETRICAL RIM?

Asymmetrical rims feature a "short" and "long" side. It is helpful to always mount both sides of the tire onto the rim on the "short side" of the rim. The short side of the rim provides the shortest distance between the rim leg/bead and the valley of the rim. Once the first tire bead is completely on the rim, it can be pulled over the rubber portion of the valve and positioned at the deepest part of the rim valley. The other side of the tire can then be installed onto the rim with the least amount of resistance.

HOW DO YOU INSTALL TIRE INSERTS ON AN ASYMMETRICAL RIM?

Features

Asymmetrical Design

Reinforced Spoke Beds

Additional carbon at each spoke bed improves overall rim strength and durability while also minimizing weight in areas where less strength, and therefore material, is needed.

4D Angled Spoke Holes

TCS Solid Strip

30mm inner width

Technology

TCS (Tubeless Compatible System) is our industry-leading tubeless rim/tire system designed to international ETRTO and ISO standards.

WTB carbon components are designed to provide a perfect blend of stiffness and compliance while also proving to be nearly indestructible.

Additional carbon at each spoke bed improves overall rim strength and durability while also minimizing weight in areas where less strength, and therefore material, is needed.

Spoke holes are drilled at an angle to match the natural spoke path between a rim and hub. Eliminates binding and lateral loading of the nipples to increase wheel durability.

Asymmetrically offset spoke holes create a stronger wheel by placing the holes more in line with the center of the hub and more evenly distributing spoke tension.

Sloped rim valley allows the bead of the tire to easily and smoothly move into place during installation and inflation.

Installed between the rim and tubeless tape to prevent tape from sagging at each spoke hole and make tire inflation easier while also preventing puncture from a broken spoke.

Internationally standardized to ensure rim and tire compatibility are as consistent and user-friendly as possible for both WTB’s products and those of our competitors.

Specs

SPECIFICATIONS: (Max spoke tension range: 110-120KgF)

Product	Wheel Size	Inner Width	*Weight	Spoke Holes / Offset	ERD	Tubeless Tape Width	Rim Size Designation	Max Rider Weight	Part Number
CZR i30 27.5" TCS 2.0 Rim, 28 hole, Black, PV	27.5"	30mm	463g	28-hole / 5mm	554	35mm	30-584	300lbs	W020-0615
CZR i30 27.5" TCS 2.0 Rim, 32 hole, Black, PV	27.5"	30mm	472g	32-hole / 5mm	554	35mm	30-584	300lbs	W020-0616
CZR i30 29" TCS 2.0 Rim, 28 hole, Black, PV	29"	30mm	472g	28-hole / 5mm	592	35mm	30-622	300lbs	W020-0607
CZR i30 29" TCS 2.0 Rim, 32 hole, Black, PV	29"	30mm	484g	32-hole / 5mm	592	35mm	30-622	300lbs	W020-0608

*CZR rim weights do not include the Solid Strip installed on each rim.

Frequently Asked Questions

HOW DOES RIM WIDTH AFFECT TIRE VOLUME AND PROFILE?

WHY DO CZR i23 RIMS HAVE A HOOKED BEAD WHILE CZR i30 ARE HOOKLESS?

WHICH TUBELESS VALVE LENGTH IS BEST FOR THESE RIMS?

ARE THERE TRICKS TO INSTALLING A TIRE ON AN ASYMMETRICAL RIM?

HOW DO YOU INSTALL TIRE INSERTS ON AN ASYMMETRICAL RIM?

Why Choose CZR?

CZR carbon rims provide unbeatable strength while also coming in lighter than the competition. Reinforced spoke beds, proven 4D angled spoke hole drilling and an asymmetrical design provide all the necessary ingredients for an incredibly durable carbon rim. Add in the Solid Strip integration of our TCS 2.0 system and you now have a system that is not only easier to set up tubeless, but also nearly impervious to losing pressure in the event of a broken spoke. We even did third-party testing against the competition, and found CZR i30 rims to be laterally stiffer and more impact resistant to those within the same weight category.

Ride With Confidence Guarantee

If you break our CZR carbon rim while riding, we'll send you one for free. No exceptions. Didn't see that sharp rock until you were mid-air? Was the huck-to-flat a little flatter than you anticipated? Do you simply ride like a freight train without brakes? As long as you are the original owner and were riding your bike when it happened, we'll replace it for free. Your friends may judge for your poor line choice, but we won't. We also provide the option for us to rebuild the wheel and send it back to you with fresh spokes and nipples.

Now with Hydras

Just mounted up a set of Hydra equipped CZRs and they have a weeks worth of riding on them so far. I wanted more lateral stability under high cornering loads and the CZRs deliver without adding vertical harshness. I suck at corners and the CZRs find more traction at significantly higher lean angles than before using the same tires. On my scale the rear came in at 1001g and the front at 869g. Given the high environmental costs of carbon, I wanted to be sure I couldn’t find another alloy (or carbon) rim that has all the combined technologies (TCS, thicker bead walls, reinforced spoke beds, asymmetric offset, 4D drilling, competitive strength to weight) and lifetime guarantee. I don’t know if the layups are front/rear specific, but otherwise the CZRs leave very little on the performance table. The finish is stealthy, durable, and of exceptional quality. They’ve partnered with a great carbon manufacturer. One thing to note is that due to the offset, certain larger free flow style valves with may not be compatible with certain tire casings due to the size of the valve base crowding the bead wall. A torque cap option would be nice as well, but otherwise the Hydras are impressive. Knowing final assembly is happening an hour north of where I live is awesome, thank you Ed for the quality build!

Great hoops

Great hoops to build the wheel of your dreams. You can’t beat the warranty. Not to stiff. I have not had any issues keeping them true. You can trust these wheels down any line selection!!!

CZR I30 Rims

I’ve been rocking the CZR I30 rims for months now and they’re definitely a worth while upgrade from my previous aluminum rims! The rims feel quick, lite and solid while not being too stiff at the same! Definitely a fan and have been enjoying them thus far!

PRESS REVIEWS

"A much tougher beast"

- MBR

"Exceptional quality"

- MB Action

"Impressive warranty"

- Off-Road.cc

Free shipping $100+

Excluding deliveries to Hawaii and Alaska.

30 Day Return Policy

Return any unused product for up to 30 days.

WARRANTY POLICY

We guarantee our products for at least two years.

Need help?

CZR i30 Rim

CZR i30 Rim

Asymmetrical Design

Reinforced Spoke Beds

4D Angled Spoke Holes

TCS Solid Strip

30mm inner width

Asymmetrical Design

Reinforced Spoke Beds

4D Angled Spoke Holes

TCS Solid Strip

30mm inner width

Frequently Asked Questions

Customer Reviews

PRESS REVIEWS