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M-Part Splined Alloy Headset Spacer – 1-1/8" x 15mm | Ultralight CNC Machined Aluminium Bike Spacer
M-Part Splined Alloy Headset Spacer – 1-1/8" x 15mm | Ultralight CNC Machined Aluminium Bike Spacer
M Part

M-Part Splined Alloy Headset Spacers 1-1/8 inch x 15mm - Pack of 20

£3.00
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

M-Part Splined Alloy Headset Spacers 1-1/8 inch x 15mm - Pack of 20

Brand:M Part

Code:HPT2315

Upgrade your cockpit with the M-Part Splined Alloy Headset Spacer, engineered for performance, weight savings, and durability. Designed to fit 1-1/8 inch steerer tubes, this 15mm headset spacer is CNC machined from premium-grade aluminium, making it a smart choice for road, gravel, MTB, and performance-oriented cyclists.

Weighing up to 40% less than standard alloy spacers, it’s ideal for riders looking to reduce cockpit weight without compromising strength. The splined internal profile adds structural rigidity and enhanced interface stability with the steerer tube.

  • Precision CNC Machined Aluminium – Delivers strength with reduced weight
  • Ultralight Design – Up to 40% lighter than conventional headset spacers
  • Splined Internal Construction – Adds extra rigidity and anti-slip grip
  • Fits 1-1/8" Steerer Tubes – Compatible with most modern road and mountain bikes
  • Height: 15mm – Perfect for fine-tuning your handlebar stack height

Ideal For:

  • Road bikes, mountain bikes, gravel bikes, cyclocross bikes
  • Cyclists aiming to optimise weight and improve handling precision
  • Riders looking for premium finishing components for their cockpit setup

Shed grammes without sacrificing performance. Choose the M-Part 1-1/8" x 15mm Splined Alloy Headset Spacer for a lightweight, strong, and sleek addition to your bike.

Sizing Information
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