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The Giant OD2 Carbon Headset Spacer Kit is a genuine Giant spare designed specifically for use with the OverDrive2 (OD2) system. This kit provides the precise compression needed to safely and securely seat your headset when running a carbon fork with a carbon steerer tube — ensuring correct preload, eliminating play, and protecting your investment in high-end carbon components.
The kit includes a selection of spacers — 1x2.5mm, 2x5mm, and 2x10mm — giving you the flexibility to achieve the exact stack height required for your frame and cockpit setup. Whether you're building up a new Giant frameset or replacing worn or missing spacers, this kit covers the most common configurations used across the OD2 range.
Using the correct OEM spacers is critical with carbon steerers. Aftermarket alternatives may not provide the right fit or compression characteristics for the OD2 system, risking damage to your steerer or headset. This genuine Giant part ensures full compatibility and peace of mind. Browse our full range of Giant OD2 spacers and Giant spares & accessories for more options.
Which Giant bikes use the OD2 headset system?
The OverDrive2 system is used across a range of Giant road and performance bikes, including models from the TCR Advanced, Propel Advanced, and Defy Advanced lines. Check your frame's specification or contact us if you're unsure whether your bike uses OD2.
Do I need this kit if I'm using a carbon steerer?
Yes — when using a carbon fork with a carbon steerer in an OD2 headset, it's essential to use the correct carbon-specific spacers to ensure safe and even compression. Using incorrect spacers risks damaging the steerer or failing to achieve proper headset preload.
Can I use just one spacer from the kit, or do I need all of them?
You only need to use the spacers required to achieve your desired stack height. The kit provides multiple sizes so you can mix and match to suit your setup — any unused spacers can be kept as spares.
Is this a genuine Giant part?
Yes, this is a genuine OEM Giant spare. We are an official UK stockist of Giant bikes and accessories, so you can be confident in the quality and compatibility of this product.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
