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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.
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.
Thomson

Thomson Elite X4 35mm Stem in Black

£105.00 £125.00 16% off
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Returns policy

Please read and fully understand this policy before returning goods to us. With exception of Warranty Claims, Faulty or Damaged goods (See terms below), we can only accept a return on an item if it is completely unused and in its original condition.

  1. Please pack the item carefully in its original packaging.
  2. Submit a returns form using the retuns form at the bottom of the page.
  3. Fully complete the returns slip and include it in the package.
  4. Send the parcel on a through postal/courier service to the returns address.

Returns Address

Bike Bros. Returns
23-25 Woodbridge Hill
Guildford, Surrey
GU2 9AA

Returns & Exchanges Policy Summary

We offer a 30 day returns period from the date of receipt.

Distance Selling
In addition to our Returns Policy, under the Consumer Contracts Regulations, you have the right to cancel your order up to 14 days from the day you receive your goods if you are an online, mail or telephone order customer. You then have a further 14 days from the date you notify the retailer of your cancellation to return the goods.

Faulty Goods:
Under the Consumer Rights Act you have an early right to reject goods that are unsatisfactory quality, unfit for purpose or not as described, and get a full refund. But this right is limited to 30 days from the date you took ownership of the goods (this could be the date of purchase or the date the goods were delivered to you - whichever is later).

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel.

We are unable to accept returns where the goods or packaging has been used, lost, damaged or is otherwise not in the condition you received it in. Bikes must be returned in a securely packaged bike box.

If you would like us to arrange a collection via courier, then we can do so at a cost of £50. Should you fail to be present for an arranged collection, you will be charged £20 to rebook.

We will refund up to £10 for private postage of faulty or damaged items.

If you would like to exchange an item, we will happily send out a replacement product once the original has been returned.

Refunds will be made to the original payment method - this may take up to 10 days to appear depending on the method of payment. Initial shipping costs are non-refundable.

We are unable to offer a refund without proof of purchase.

We cannot accept returns without a completed returns form.

Signing for delivery receipt of items that have clearly been damaged by the courier is the responsibility of the receiver.

Items that are damaged during a return as a result of inadequate packaging will be declined and returned to you, or charged for.

Several types of goods are exempt from being returned. Perishable goods cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:
* Gift cards
* Downloadable software products
* Some health and personal care items

Faulty Goods and Warranties

If the item that has been received is faulty, damaged, or not as described then we will cover the cost of return postage (up to £10) and offer a refund or exchange. In these instances, we would always recommend using our own shipping services.

Important information to note about returning faulty, damaged, or not as described items:

Bike Bros. issue no warranties, all warranties are issued by manufacturers. For this reason, we may need to send your goods to the manufacturer for inspection before taking any action. Please see the relevant manufacturer's website for full warranty information.

Only products that are faulty, damaged or not as described by us are eligible for returns/exchanges. If damage has been caused through wear and tear, improper care, or some other factor beyond our control then it will not be covered.

Once a faulty item has been used, or if the packaging has been damaged it can still be returned to us, however we - and the manufacturer - reserve the right to offer a repair, replacement, or partial refund.

Remember it is your responsibility to ensure that returned items are packaged appropriately - any damage caused in transit [as a result of inadequate packaging] will be chargeable.

We cannot accept any cycle warranty claim or return for incorrect pedal fitment or damage to crank arms caused by incorrect pedal fitment.

If the wheels on the bike you've ordered become untrue through use, or the gears need readjustment after initial use, this unfortunately not covered under warranty. Every new bike requires a 4-6 weeks check up, this is provided by us free of charge, provided the bike is dropped off and booked in the workshop with us.

Please read and fully understand this policy before returning goods to us. With exception of Warranty Claims, Faulty or Damaged goods (See terms below), we can only accept a return on an item if it is completely unused and in its original condition.

  1. Please pack the item carefully in its original packaging.
  2. Download and Print the returns slip.
  3. Fully complete the returns slip and include it in the package.
  4. Send the parcel on a through postal/courier service to the returns address.

Returns Address

Bike Bros. Returns
23-25 Woodbridge Hill
Guildford, Surrey
GU2 9AA

Returns & Exchanges Policy Summary

We offer a 30 day returns period from the date of receipt.

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel.

We are unable to accept returns where the goods or packaging has been used, lost, damaged or is otherwise not in the condition you received it in. Bikes must be returned in a securely packaged bike box.

If you would like us to arrange a collection via courier, then we can do so at a cost of £50. Should you fail to be present for an arranged collection, you will be charged £20 to rebook.

We will refund up to £10 for private postage of faulty or damaged items.

If you would like to exchange an item, we will happily send out a replacement product once the original has been returned.

Refunds will be made to the original payment method - this may take up to 10 days to appear depending on the method of payment. Initial shipping costs are non-refundable.

We are unable to offer a refund without proof of purchase.

We cannot accept returns without a completed returns form.

Signing for delivery receipt of items that have clearly been damaged by the courier is the responsibility of the receiver.

Items that are damaged during a return as a result of inadequate packaging will be declined and returned to you, or charged for.

Several types of goods are exempt from being returned. Perishable goods cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:
* Gift cards
* Downloadable software products
* Some health and personal care items


Faulty Goods and Warranties

If the item that has been received is faulty, damaged, or not as described then we will cover the cost of return postage (up to £10) and offer a refund or exchange. In these instances, we would always recommend using our own shipping services.

Important information to note about returning faulty, damaged, or not as described items:

Bike Bros. issue no warranties, all warranties are issued by manufacturers. For this reason, we may need to send your goods to the manufacturer for inspection before taking any action. Please see the relevant manufacturer's website for full warranty information.

Only products that are faulty, damaged or not as described by us are eligible for returns/exchanges. If damage has been caused through wear and tear, improper care, or some other factor beyond our control then it will not be covered.

Once a faulty item has been used, or if the packaging has been damaged it can still be returned to us, however we - and the manufacturer - reserve the right to offer a repair, replacement, or partial refund.

Remember it is your responsibility to ensure that returned items are packaged appropriately - any damage caused in transit [as a result of inadequate packaging] will be chargeable.

We cannot accept any cycle warranty claim or return for incorrect pedal fitment or damage to crank arms caused by incorrect pedal fitment.

If the wheels on the bike you've ordered become untrue through use, or the gears need readjustment after initial use, this unfortunately not covered under warranty. Every new bike requires a 4-6 weeks check up, this is provided by us free of charge, provided the bike is dropped off and booked in the workshop with us.

Thomson Elite X4 35mm Stem in Black

Brand:Thomson

Code:1487BLK

The Thomson 35mm X4 stem allows you to realize the benefits of stiffer forks and stiffer 35mm bars. X4 offers precise steering, tracking and more control while riding, all wrapped up in a beautiful design.

Certified to: CEN ISO 4210-5

The Thomson 35mm X4 is based on proven design. 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.

This stem body is forged AL7050 where every surface is machined. The faceplate is forged from AL6066 and 100% machined. It’s built and tested to the same standards as aerospace parts and it’s the best stem for all-around mountain biking.

Features:

  • Leader in strength and stiffness
  • Precise steering, tracking and more riding control
  • Traditional, knee friendly steerer clamp
  • Machined 7050 Aluminium
  • Available in 32mm, 40mm and 50mm lengths
Sizing Information
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