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Average connection time 25 secs
Average connection time 25 secs
Too many modern mountain bike stems sacrifice strength and torsional stiffness for a few grams of saved weight. The Thomson X4 is the leader in strength and stiffness.
The Thomson X4 stem allows you to realize the benefits of stiffer forks and stiffer 31.8mm bars. X4 offers precise steering, tracking and more control while riding, all wrapped up in a beautiful design.
Certified to: EN 14766 2006 MTB and DIN CERTCO: 2006 MTB
The Thomson X4 is stronger and 30g lighter than the Thomson Elite 25.4mm mountain stem. It features a traditional steerer clamp that is shaped to save weight and to be knee friendly. X4 is absolutely the best combination of strength and weight available. Thomson stems are the strongest in the industry, meaning enduro and downhill riders can run Thomson confidently.
The stem is one piece of solid 7000 series Aluminium extruded billet precision, machined by Thomson in Macon, Georgia. It’s built and tested to the same standards as aerospace parts and it’s the best stem for all-around mountain bike and cyclocross riding.
- Precise steering, tracking and more riding control.
- Traditional, knee friendly steerer clamp.
- One piece 7000 series Aluminium.
- Machined by Thomson, in Macon, Georgia.
- Available in Black or Silver.
- Available from 40mm to 130mm lengths.
- 40-60mm stems are available in block style only..
How long will it take to arrive?
Please check the stock availability notice on your item when placing your order. This item is: In stock
How will I know it has been sent?
You will receive an email to confirm when your item has been sent.
You can also check the status of your order and individual items by accessing My Account details and following the prompts.
Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.
It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.
If I'm not completely happy with my item?
Please see our returns policy.
Top Customer Reviews
Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.
Thomson quality 👌
What more can you expect from a Thomson product.... Top quality as always, have many of there items over the years on various custom steel builds I've done and they never fail to look great! Lightweight, easy to fit and great packaging. The only thing I'd mention when buying the stem, is check your geometry of frame vs the degree of the stem. For example, I have a relaxed frame, and ordered a 0 degree stem which only increases the 'sit up/relaxed' position, so go either-10 if you're building a 'race' geometry build and want to be lower at the front end. Anyway, definitely recommend this product and any other Thomson bits!