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The Unit X has become a cult favourite among die-hard Kona fans.
The Unit X has become a cult favourite among die-hard Kona fans.
Kona

Kona Unit X Hardtail Mountain Bike 2026 in Gold

£1,599.00
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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
Earn Rewards
When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

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.




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.

Kona Unit X Hardtail Mountain Bike 2026 in Gold

Season:2026

Brand:Kona

Code:KN25B-UNX.1GLD

The Unit X has become a cult favourite among die-hard Kona fans. Maybe it’s the Cromoly frame. Maybe it’s the fact that it’s a bikepacking monster, or its well-geared 12-speed drivetrain, or modular dropouts which give you the ability to run it as a single speed if that’s your thing. Maybe it’s because the rigid fork makes it that much more of a classic. We may never know why the Unit X is such a popular bike, but we can only guess it’s because it is one of the most practical machines in Kona's lineup.

Key Features & Benefits:

  • Steel Frame:Cromoly Butted.
  • SRAM Eagle Drivetrain:Smooth efficient shifting.
  • Hydraulic Disc Brakes:Great stopping power in all conditions.

Full Specification:

  • Frame:Reynolds 520 Butted Cromoly
  • Fork:Kona Plus Fork 110mm spacing
  • Number of Gears:12
  • Gear Shifters:SRAM NX-Eagle
  • Chainset:SRAM NX Eagle PS
  • Chainrings:32t X-Sync Eagle
  • Rear Cassette:SRAM NX-Eagle 11-50t 12spd
  • Chain:SRAM NX-Eagle
  • Front Derailleur:N/A
  • Rear Derailleur:SRAM NX-Eagle
  • Bottom Bracket:SRAM PS
  • Pedals:Not supplied:Shop pedals here
  • Rims:WTB ST i30 2.0 TCS
  • Front Hub:Formula 110x15mm
  • Rear Hub:Formula 148x12mm
  • Front Tyre:Maxxis Rekon TR 29x2.6"
  • Rear Tyre:Maxxis Rekon TR 29x2.6"
  • Brakes: SRAM Level T, Front Rotor: SRAM Centerline 180mm, Rear Rotor: SRAM Centerline 160mm
  • Handlebars:Kona XC/BC Riser
  • Handlebar Grips:Kona Key Grip
  • Headset:TH ZST No.10
  • Stem:Kona XC/BC
  • Saddle:WTB Volt
  • Seatpost:Kona Thumb w/Offset 31.6mm
  • Weight:
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Kona Unit X

MTB FULL SUSPENSION / HARDTAIL / SPLICE

Height/InchesHeight/MetricInseam/InchesInseam/MetricMTB/XC Trail/FatAll Mountain/EnduroSplice
4'10"-5'1"147-155cm24”-27”61-69cmXSXSSmall
5'0"-5'3"152-160cm26"-29"66-74cmSmallSmallSmall
5'2"-5'7"157-170cm27"-30"69-76cmSmall, MediumSmall, MediumSmall, Medium
5'6"-5'10"168-178cm29"-31"74-79cmMediumMediumMedium
5'9"-6'0"175-183cm30"-33"76-84cmMedium, LargeMedium, LargeMedium, Large
5'11"-6'2"180-188cm32"-35"81-89cmLarge, XLLarge, XLLarge, XL
6'1"-6'5"185-196cm33"-36"84-91cmLarge, XLLarge, XLLarge, XL

Geometry Information for Kona Unit X
Kona Geometry Marked on Bike

SizeSMLXL
1ST Length370420470530
2TT Length582610637675
3Reach425450475510
4Stack588597606615
5Standover695731768810
6HT Angle68.068.068.068.0
7HT Length110120130140
8ST Angle75.075.075.075.0
9CS Length430430430430
10BB Drop65656565
11BB Height310310310310
12Wheelbase1115114411731211
13Front Center693722750789
14Fork Length470470470470
15Fork Offset50505050




Warranty Information for Kona:

TWO YEAR LIMITED WARRANTY ON COMPLETE BICYCLE (EUROPE)
Kona warrants to the original owner that this newly purchased Kona bicycle shall be free of defective materials and workmanship for the two-year period stated under EU consumer protection laws, dated from the original purchase and subject to normal conditions and use. During this two-year period, Kona shall repair or replace, at its sole option, all parts that are found by Kona to be defective and therein subject to this limited warranty.

For Full Warranty information please visit KonaWorld.com

Sizing Information
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