Description
Product Overview
The NTHREEAUTO 8mm motorcycle chain tensioner is engineered for Honda C70, CRF100F, CRF50F, and a wide range of related models. Constructed from high‑quality metal with a chrome‑anodized finish, it offers superior resistance to rust, scratches, and everyday wear. The compact design fits seamlessly into the existing chain‑adjuster location, requiring no modifications. Specifications include a weight of 1.44 oz, dimensions of 2.8 × 2.09 × 2.01 in, and a part number FBAN3MP25015.
![[Product front view showing all components]](https://www.oelviro.store/wp-content/uploads/2026/06/df3ddc581a30436fb4f22e48981c223f.jpg)
Usage
Designed for both street riding and off‑road use, this tensioner ensures your chain stays properly tensioned whether you’re navigating city traffic or tackling rugged trails. Motorcyclists who demand consistent performance will appreciate the quick‑adjust feature that eliminates chain jitter, reduces wear, and prevents chain‑drop incidents. Ideal for daily commuters, weekend riders, and hobbyists restoring classic Honda models.
Why Choose Us
NTHREEAUTO combines decades of automotive expertise with meticulous craftsmanship. Each tensioner undergoes rigorous quality checks to guarantee fit and function. The chrome finish not only looks sleek but also extends service life by protecting against the elements. Our dedicated support team is ready to assist with installation guidance and any post‑purchase questions, ensuring confidence in every ride.
Key Features
- Chrome‑anodized metal resists corrosion and maintains a polished look
- Precise 8mm adjustment eliminates chain slack for smoother power delivery
- Direct‑fit design requires no drilling or modifications
- Lightweight construction reduces unsprung weight for better handling
- Responsive customer support and hassle‑free warranty coverage
FAQ
Is this tensioner compatible with all Honda CRF models?
Yes, it fits CRF100F, CRF50F, CRF70F, CRF80F, and other models listed in the compatibility section, as well as the C70 and related variants.
Do I need special tools to install the tensioner?
No special tools are required. The tensioner replaces the stock unit and can be installed with basic hand tools.
How does the chrome finish hold up in harsh weather?
The chrome‑anodized coating is designed to resist rust, scratches, and UV exposure, ensuring long‑term durability even in wet or salty conditions.
Can I adjust the tension while riding?
Adjustment should be made when the bike is stationary. The easy‑turn knob allows quick fine‑tuning before you head out.
What warranty does NTHREEAUTO provide?
We offer a one‑year limited warranty covering manufacturing defects, plus lifetime technical support for installation and fitment questions.






NTHREEAUTO 8mm Motorcycle Chain Tensioner for Honda C70 CRF Series
Banana Holder Tribello Modern Farmhouse Countertop Stand 6x6x11in
QYMOTO Chain Tensioner 01 Heavy‑Duty Adjuster for Coleman Mini Bikes
Reviews
There are no reviews yet.