






🚵♂️ Elevate your ride, drop the limits!
The JFOYH EXA Form 900i dropper seatpost offers professional-grade customization with three diameter and travel options, a hydraulic mechanism housed in lightweight 7075 alloy, and a remote cable control system for effortless height adjustments. Designed for internal cable routing frames, it combines sleek integration with durable performance, making it a must-have upgrade for serious cyclists seeking precision and convenience.

| ASIN | B09YH2PD3K |
| Batteries included? | No |
| Best Sellers Rank | 235,378 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 353 in Cycling Seat Posts |
| Bike type | Multi-Use |
| Color | Diameter: 31.6mm |
| Customer Reviews | 4.1 4.1 out of 5 stars (249) |
| Date First Available | 31 May 2022 |
| Item model number | Diameter: 31.6mm |
| Manufacturer | JFOYH BIKE |
| Material type | Metal |
| Product Dimensions | 3.05 x 3.05 x 44.45 cm; 730 g |
| Size | Length x Travel: 345mm x 100mm |
| UPC | 774144172076 |
N**R
Ok but some parts are substandard
After fitting the seatpost and attaching the lever the bolt holding the clamp for the handlebars sheared off after the second use during testing.
A**R
No está fácil la instalación, pero entendiéndole queda muy bien y funciona perfectamente. Muy recomendable!
B**3
This dropper functions as described. Six month test has gone well as I ride mainly blue trails with the occasional black 2-3 times a week. Only thing to note is I have to slightly stand and relieve tension from post in order for it to drop easier, ie: slightly stand, engage thumb trigger, sit on post to drop. Great post for the budget minded. Highly recommend. Hope this helps. Happy shopping.
M**T
I have a kid that's getting into Mountain Biking, and put it on a 26" XXS Specialized RockHopper. Installation went as well as could be expected. Two main issues: - On the XXS RockHopper, it has a front derailleur, so finding a good spot for the lever took a bit of trial - The seat hydraulics get stuck the first time of the day, so getting it to extend the first time took some trial. Basically, I put a skinny screwdriver through the lever so I could pull it with my right hand, held the shaft with left hand, and held the other end between my feet and tried pushing/pulling until it unlocked. The provided cable was plenty big enough (I cut off over a foot). The lever hardware seems pretty great, and I didn't feel like I was going to strip any screws or break anything. Adjusting the tightness of the cable went really well due to the two adjustment screws (plenty of tightening room). The kid isn't very strong in the thumbs yet, so the first ride of the day he has to use two hands to "unlock" the stuck piston. After that it is incredibly smooth going up and down, and his left thumb is able to push it in okay enough (it's still tough, but it'll get easier as muscles grow). Again, the seat post does seem to get 'stuck' after sitting there for a day, but then goes super smooth the rest of the day. I'm happy with the post and the installation. It seems like good quality for the price I paid. It definitely isn't as good as the one on my own bike (mine has no 'stuck' issue after prolonged periods of inactivity), but good enough for this starter bike or anyone on a budget that wants a post that will last. I'll update this if I ever hit issues.
J**Y
Love it, easy to install, but watch videos.
N**R
Excelente
Trustpilot
2 months ago
1 month ago