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Trail Rims

Gravity Rims - Defy physics

Downhill (DH) and enduro mountain bike rims are subject to extreme challenges, constantly being put to the test by rocky terrain, jumps and high speeds. Common questions from users concern robustness against impacts, the best rim width for DH, the suitability of tubeless setups, the relationship between weight and performance, compatibility with different types of tires, maintenance and durability, the difference between DH and enduro rims, and the best configuration for optimal downhill performance.
How can I protect my rims from shocks and impacts during fast descents?
 
There are several strategies you can adopt to protect downhill/enduro mountain bike rims from impacts. Ensuring the correct tire pressure is crucial: too low a pressure can cause the tire to pinch and the rim to strike ground. Additionally, choosing rims designed with robust materials and reinforced construction specifically for downhill or enduro riding is essential to withstand demanding conditions.
Why is rim width crucial in downhill or enduro mountain biking?
 
A wide rim offers greater stability on fast, technical descents. It increases the grip surface of the tire, improving traction and control. What's more, a wider rim reduces the risk of “burping,”  which is a sudden loss of air in tubeless setups during violent impacts or tight turns. Wider rims ensure a better connection with the ground and greater safety on descents.
What are the advantages of tubeless setups for downhill mountain bikes?
 
By doing away with the inner tube, the tubeless system reduces the risk of pinch flats, which are common when landing hard or on rocky terrain. The ability to ride at lower pressures increases traction and enables the tire to absorb rough terrain more effectively. In DH mountain biking, where every detail counts, opting for a tubeless setup guarantees better performance and reliability.
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