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The Kinesis Aithein is the fastest bike in the Kinesis line-up. This premium aluminium race frame is faster, more comfortable, and more fun.
The Kinesis Aithein is the fastest bike in the Kinesis line-up. This premium aluminium race frame is faster, more comfortable, and more fun.
Kinesis Uk

Kinesis Aithein Disc Frameset 2026 in Purple

£675.00 £900.00 25% off
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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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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.

Returning an item

Online or in-store purchases can be returned to any of our 12 stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If you are returning an item due to a fault, we will refund your postage costs.

Bikes & Bulky items

If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (020 45063856) and we will help arrange a collection.

Non Bike - Customer Returns Form

If you wish to return or exchange an item, please fill out the form below following the steps inside. Returns can be processed quicker if all required information is provided.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

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

Kinesis Aithein Disc Frameset 2026 in Purple

Season:2026Sale

Brand:Kinesis Uk

Code:7501PUR

The Kinesis Aithein is the fastest bike in the Kinesis line-up. This premium aluminium race frame is faster, more comfortable, and more fun, making it the perfect choice for racing the local crit, club sportives, or winning sprints for the line. Using advanced aluminium construction techniques, a lightweight frame has been created that rivals carbon bikes. Thanks to Superplastic Forming (SPF), weight is minimized while stiffness and strength are maximized. This results in a high-performance frame that efficiently transfers rider energy into forward momentum.

Super Plastic Formed Alloy Frame

Constructed from tubes created with an advanced manufacturing technique named Superplastic Forming (SPF), which involves heating the alloy until it exhibits superplasticity, and then creating complex tube shapes using gas pressure.

Columbus Futura Road Disc Fork

T700S and HFM Carbon Fibre Monocoque construction, 45mm rake, 440g fork. Stiff with high vibration damping for a smooth ride.

30mm Tyre Clearance

Wider tyres offer more speed, more grip, and more comfort on real-world surfaces. The Aithein Disc takes up to 30mm tyres, allowing for the selection of the right tyre for specific riding conditions.

Kinesis Rider Fit Geometry

Geometry adjustments ensure a better fit across a greater range of rider dimensions. This results in more consistent handling across sizes, less toe overlap, and more intuitive sizing.

68mm Threaded Bottom Bracket

Threaded bottom brackets allow for the use of reliable, creak-free components that withstand year-round conditions.

Adaptable Cable Ports

Thanks to interchangeable cable entry points, riders can run exactly the routing needed, ensuring there are no excess holes into the frame.

Wireless Electronic / Mechanical / 2x / 1x Compatible

The Aithein frame is designed to work with mechanical and all wireless electronic groupsets.

Key Features & Benefits:

  • Superplastic Forming (SPF) Alloy: Advanced construction techniques create a lightweight, stiff, and strong frame that rivals carbon performance.
  • Columbus Futura Road Fork: High-performance carbon construction provides superior vibration damping and impeccable ride quality.
  • Versatile Drivetrain Compatibility: Designed to accommodate wireless electronic, mechanical, 2x, and 1x groupsets with adaptable cable routing.

Full Specification:

  • Frame: Super Plastic Formed lightweight aluminium
  • Fork: Columbus Futura Road Disc carbon
  • Headset: GW Tapered with ACB Bearings
  • Rear Axle: 142x12mm Thru Axle
  • Front Axle: 100x12mm Thru Axle
  • Axle Type: GW Switch Lever
  • Tyre Clearance: Up to 30mm
  • Drivetrain Compatibility: Wireless Electronic, Mechanical, 2x, 1x
  • Bottom Bracket: 68mm threaded
  • Seatpost Diameter: 31.6mm
  • Front Mech Mount: Braze-On
  • Bottle Cage Mounts: 2
  • Weight: 1.60kg (53cm)
  • Warranty: 5 years
Sizing Information

Bike Size Guide

Size Cyclist Height (cm) Cyclist Height (feet)
XSmall (47cm*) 155-163 cm 5'1" - 5'4"
Small (50cm) 162-171 cm 5'3" - 5'7"
Medium (53cm) 169-178 cm 5'6" - 5'10"
Large (56cm) 177-187 cm 5'9" - 6'2"
XLarge (59cm) 186-195 cm 6'1" - 6'5"
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