TranzX
TRANZX JD YSI34 DROPPER POST 34.9 MM 170 MM
TRANZX JD YSI34 DROPPER POST 34.9 MM 170 MM
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TRANZX JD-YSI34 DROPPER POST (34.9 MM | 170 MM TRAVEL | INTERNAL)
The TranzX JD-YSI34 dropper post provides reliable adjustment performance for modern trail, enduro, and e-MTBs. With 170 mm of infinite travel and clean internal cable routing, it ensures maximum freedom of movement on technical descents.
This functional **bicycle seatpost** component is specifically designed for frames with a sturdy 34.9 mm diameter. It can be easily controlled with all common mechanical remote levers.
Product details & features
• 170 mm travel: Infinite height adjustment for optimal ergonomics on climbs and descents
• Internal cable routing: For a clean look and protected cables
• 34.9 mm diameter: Perfectly matched to modern MTB and e-bike frame standards
• Reliable mechanics: Smooth responsiveness and consistent pressure point stability
Data, variants & identification
• Brand: TranzX | Model: JD-YSI34 | Type: Dropper post
• Diameter: 34.9 mm | Travel: 170 mm | Actuation: Internal (cable routing)
• Color: Black | Weight: approx. 639 g | Note: Supplied without remote lever
Scope of delivery
1x TranzX JD-YSI34 seatpost (34.9 mm / 170 mm travel, without remote lever).
Conclusion
The ideal dropper post: Powerful adjustment performance, clean aesthetic thanks to internal routing, and robust 34.9 mm standard.
Product Information & Conditions
GPSR Information
Manufacturer
JD Components Co., Ltd.
No. 80, Nan Dee Lane, Shan Hsi Village
504 Shou Shui Hsiang
China
Email: info@tranzx.com
Responsible person in the EU
JD Europe Components GmbH
SalinenstraĂźe 52
61231 Bad Nauheim
Deutschland
Email: info@tranzx.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
NEW / DISCONTINUED GOODS WITH GUARANTEE / USED GOODS WITH GUARANTEE
Our standard
We invest considerable time and care in each of our bicycles and parts before they go on sale. Every bike and every item is thoroughly cleaned, inspected, and, if necessary, fitted with new wear parts to ensure it's technically sound and visually appealing.
This is precisely where we differ from many other providers: You only receive items from us that have been honestly and conscientiously inspected. The condition and all relevant information can be found transparently and comprehensibly in our item information and terms and conditions .
This way, you know exactly what to expect – and can be sure that you'll get a bike or part that will give you long-lasting pleasure without the need for major repairs after a short period of time.
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USED ​​GOODS - Warranty
If you choose our used bicycles, components, or equipment, you benefit from additional security: We offer a one-year warranty . So you can ride worry-free, knowing we'll stand behind you even after your purchase.
Note: Items expressly marked as “defective” or “DIY goods” are excluded from the warranty.
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NEW GOODS - Guarantee
When you purchase new bikes, exhibition pieces, demonstration models, or discontinued items, you are doubly protected: You receive a 2-year manufacturer's warranty or a 2-year guarantee – clearly and transparently stated in the item information.
This means you are better protected than if you were buying privately, and you can rely on our support even after the purchase.