CZR i30 wheels are built for the most demanding riders and the toughest terrain. They combine strategically reinforced carbon layers with high-quality components to ensure safety and durability. Hand-built spokes, brass nipples and Frequency hubs with the best bearings and perfect sealing make these wheels an unyielding foundation for your ride. An independent lab has proven that our rims are 10% more impact resistant than the competition.
- Safety Guaranteed
If you break a CZR i30 carbon rim and you are the first owner, we will replace it for free, no questions asked. - Tested and Proven Durability
An independent lab has confirmed that our rims are 10% more impact resistant than the direct competition.
- Strategically reinforced carbon layer
- Reinforced spoke bed
- Double-butted spokes
- Brass nipples
- Top-of-the-line Frequency hubs
Specifications:
Rear wheelIntended use: Trail, Enduro
Diameter: 27.5”
Hub size: 148x12mm
Rim holes: 28
Cassette body: Sram XDR
Disc mount: 6 holes
Rim inner width: 30 mm
ERD: 554
Weight: 988g
Max spoke tension: 110-120KgF
Wilderness Trail Bikes (WTB) is currently one of the largest manufacturers of bicycle tires, rims and saddles in the world. The WTB range of tyres specialises in off-road cycling. Thus you will find many tyres for trekking, cross-country, trail, enduro or downhill.
In recent years, the popularity of gravel bikes has been growing and WTB offers the largest number of tyres of different patterns and widths for this category of cyclist of all current brands. WTB was founded on ideas and visions about products that no one knew about until then, and they continue to do so today, still setting the direction of where mountain biking is going today.


