Item: 545279

Gravity SX 1.1/8 Headset


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  • Description
  • Reviews
  • Delivery Options
  • Help & Advice
  • Buying Options
  • Gravity SX 1.1/8 Headset

    The Gravity SX 1.1/8 Headset is the long lasting part you`ve been looking for. It is made with a hardwearing alloy and it suits different OD headtubes for versatility which means more performance for your bike.

    Gravity SX 1.1/8 Headset Extra Info

    • 11/8 Upper to 1.5 bottom
    • For differential OD headtube
    • For tapered 50mm/61mm OD headtube
    • For 1.5 sized headtube and 11/8 steerer
    • Upper: forged alloy shallow cup with 36-45 ACB
    • Lower: CNC machined alloy cup with 1.5, 36-45 ACB
    • Stack height: 18.7 +2.4 = 21.1mm
  • Standard Delivery

    Standard Delivery

    FREE Standard Delivery on all orders over £30 ( Halfords products only ) - £2.99


    Premium Delivery

    Next Day Delivery

    Order by 3pm for delivery tomorrow (Monday to Friday)


    Elite Delivery

    Next Day Delivery

    Order by 3pm for delivery tomorrow (Monday to Friday)


  • You can buy this product from one of our carefully selected Approved Partners. The full list of options available are below. Simply add your chosen option to your basket and proceed to checkout when you're ready.

    You can purchase products supplied by Halfords and selected other suppliers on

    Checkout is always via and all payment will be taken via In checkout the products will be split into separate deliveries for each supplier.

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    Price Seller Info Purchase

Some of the parts we sell here at Halfords have been reconditioned. These will carry a Refundable Deposit or an extra surcharge amount. When you add one of these reconditioned items to your basket, we'll add this extra cost automatically.

Once you've sent us your old item we'll check it over, and then refund you the full surcharge as long as everything is ok.

Before you return your old unit please make sure it's in re-serviceable condition. So if you're returning caliper casings, you'll need to double check they aren't badly damaged or broken. If the part you've sent is found to be unserviceable, we reserve the right not to refund the surcharge.

Please note that if you're returning your old unit to our National Returns Centre then this will be at your own expense.

Gravity Headsets & Stems

Gravity SX 1.1/8 Headset

£44.95 Gravity SX 1.1/8 Headset is a trustworthy friend for those in need of a great headset.