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The Kinesis 4S Apex road bike is designed for cyclists who value simplicity, reliability, and the advantages of a 1x drivetrain.
The Kinesis 4S Apex road bike is designed for cyclists who value simplicity, reliability, and the advantages of a 1x drivetrain.
Kinesis Uk

Kinesis 4S Apex Road Bike 2026 in Silver Mist

£1,199.00 £1,700.00 29% off
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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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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.

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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 4S Apex Road Bike 2026 in Silver Mist

Season:2026Sale

Brand:Kinesis Uk

Code:8043SIL

The Kinesis 4S Apex road bike is designed for cyclists who value simplicity, reliability, and the advantages of a 1x drivetrain. The 1x gearing system offers ease of use and maintenance, making it perfect for riders looking for a hassle-free and enjoyable biking experience. As mountain bikes and cyclocross bikes have embraced 1x gearing, and with gravel biking following suit, many road cyclists have started to explore and adopt simpler 1x road setups. Drawing inspiration from the success of the G2 complete gravel bike and influenced by the award-winning Kinesis RTD and GTD road frames, the 4S Apex is tailored to cater to riders of all skill levels and experiences.

The 4S Apex is an ideal everyday road bike, suitable for commuting, unhurried rides in the countryside, and visits to faraway cafes for that perfect coffee-stop. Equipped with versatile gear ratios, it can handle steep climbs and rapid descents with ease. The 4S comes with slightly wider handlebars featuring a 10-degree flare, providing enhanced control and the capability to accommodate bar bags, which have become increasingly popular even on day rides. Additionally, the bike comes ready to ride with mudguards already fitted, making it perfect for all seasons.

The 4S Apex incorporates Kinesis Rider Fit Geometry, ensuring better fit and consistent handling for a wider range of riders. The smallest size features a semi-sloping top tube for increased seat post extension, enhancing comfort. Longer reaches, recommended for use with shorter stems, reduce toe overlap on smaller sizes and enhance handling on larger sizes, eliminating the need for excessively long stems to achieve the correct fit.

Key Features & Benefits:

  • 1x Drivetrain Simplicity: Offers ease of use and reduced maintenance, drawing inspiration from successful gravel and mountain bike setups for a hassle-free road experience.
  • Kinesis Rider Fit Geometry: Ensures a better fit and consistent handling across all sizes, with longer reaches and shorter stems to reduce toe overlap.
  • All-Season Ready: Comes equipped with mudguards already fitted and versatile gear ratios, making it ideal for commuting and year-round riding in any weather.

Full Specification:

  • Frame: Kinesis Double Butted Alloy 6061
  • Fork: Kinesis Full UD Carbon
  • Number of Gears: 11
  • Gear Shifters: SRAM Apex 1 HRD
  • Chainset: SRAM Apex 1 X-SYNC 44t
  • Chainrings: 44t
  • Rear Cassette: SRAM PG-1130 POWERGLIDE 11-42
  • Chain: SRAM PC1110 with POWERLOCK
  • Front Derailleur: N/A
  • Rear Derailleur: SRAM Apex 1 Long Cage
  • Bottom Bracket: SRAM BB GXP
  • Pedals: Not Supplied — Shop Pedals Here: https://www.balfesbikes.co.uk/pedals-and-cleats/pedals
  • Rims: Lightweight low profile aluminium
  • Front Hub: Alloy, Sealed Cartridge Bearing Hub, Centre-lock, 12mm x 100mm
  • Rear Hub: Alloy, Sealed Cartridge Bearing Hub, Centre-lock, 12mm x 142mm Through Axle
  • Front Tyre: Maxxis Pursuer 32c
  • Rear Tyre: Maxxis Pursuer 32c
  • Brakes: SRAM Apex 1 HYD 160mm Rotors
  • Handlebars: Kinesis Alloy 6061, 10-degree flare
  • Handlebar Tape: Black Cork Bar Tape
  • Headset: FSA Sealed Bearing No. 42 Integrated Road
  • Stem: Kinesis Alloy 6061 6° Rise
  • Saddle: Selle Italia X3 Black
  • Seatpost: Kinesis Alloy 6061 27.2 mm x 350 mm
  • Accessories: Mudguards
  • Weight: 9.5kg
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Geometry Chart for Kinesis 4S

Frame Size Seat TubeS* (51)M (54)L (57)XL (60)
Seat Tube Length C-T490540570600
Top Tube Length Effective532545561580
Head Length130146172204
Head Tube Angle71727272
Seat Tube Angle74747474
Bottom Bracket Drop70707070
Chain Stay Length420420420420
Front Centre590.7595611.8631.8
Wheelbase1001100510221042
Stack538557582612
Reach378385394404
Fork Axle to Crown378378378378
Fork Rake45454545

Warranty Information for Genesis

ComponentWarranty Period
Bicycle frame5 Years
Forks1 Years
Wheelsets1 Years
For full warranty policy please visit https://kinesisbikes.co.uk/pages/warranty-policy
Sizing Information
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