INJORA Silicone Rubber Tire Inserts for 1.9” Tires – 4 Pack (Blue)

Enhance Trail Performance with INJORA Silicone Rubber Tire Inserts

Designed for 1.9‑inch tires, these INJORA inserts add controlled weight, robust sidewall support, and improved grip to help your RC crawler handle challenging terrain. Made from durable silicone rubber, they resist water and temperature shifts, helping the tire contact patch stay consistent across a variety of surfaces.

With a focus on practical upgrades, the inserts fit key 1.9” tire options and are compatible with popular sizes like Canyon Trail tires (TRX4 stock) and 1.9" 4.90×1.75 PL tires. This makes upgrading straightforward without changing rims or tires.

Compatibility and Fit

The inserts are sized for a tire outer diameter of about 120–124 mm and a width of about 45–48 mm. This sizing delivers a snug, stable feel on rough rocks or uneven ground, while preserving enough flex to grip irregular surfaces.

• Approx. 84 g per insert adds measured mass for improved stability.
• Silicone construction is waterproof and temperature‑resistant for consistent performance.
• Provides stronger sidewall support than standard foam inserts, helping tires retain their shape under load.

Tuning Options: Compounds and Front/Rear Setup

Two compounds let you tune the feel of the rig:

• Green – Soft: suited for lighter crawlers in the 3–5 lb range.
• Blue – Medium: aimed at mid‑weight crawlers in the 6–10 lb range.

For best results, mix different compounds between the front and rear to match your vehicle setup. This approach can influence steering response, grip, and stability across varied terrain.

What’s Included and Practical Use

• 4 × Silicone Rubber Inserts
• Silicone construction provides durable performance across sessions

In real-world driving, you may notice a steadier stance on exposed rocks, improved tread contact on loose gravel, and more predictable handling when weight shifts during climbs. The inserts offer a tangible upgrade without altering tires or wheels, allowing you to experiment with front/rear compound combinations to fit your driving style.