TLDR Review: Arrma Senton 91T Slipper Gear Set (Red)
Pros
- •Gears operate smoothly and efficiently, delivering impressive power output and performance
- •Included pinions provide good value compared to buying separately
- •Slipper gear itself feels sturdy and weluilt initially, made from metal that appears durable
- •Installation process is straightforward and quick for users familiar with RC car upgrades
- •Considered by some users as the best option compared to other similar products they've tried
Cons
- •Extremely poor machining quality causes slipping issues and unreliable function
- •Slipper adjustment is difficult due to poor threading and nut design
- •Nut does not stay in place, leading to tension loss; requires an additional lock nut to be usable
- •Some users report the metal feels cheap and flimsy, with wobble in the spline compromising durability
- •The product can break almost immediately under stress, questioning its lonerm reliability
Bottom Line
The Slipper Gear Set 91T offers promising performance benefits and a value-packed combo with pinions included, but it is hampered by poor build quality and design flaws—particularly around slipper adjustment and tension retention. If you’re serious about durability and hassle-free tuning, be prepared to invest in aftermarket lock nuts or consider other metal gear upgrades with better machining and sturdier components. For a more reliable experience, you might want to explore other differential upgrade parts known for solid construction and smooth adjustability.
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