Continental X-King RaceSport Black Chili 27.5 inch MTB Folding Tyre
Please note: View 'Tyres Guide' below for ETRTO Sizing
- ShowProduct Information Pronounced 'cross king', the X-King perfectly fills in the gap between our Race King and Mountain Ki... read more
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Product Description
Pronounced 'cross king', the X-King perfectly fills in the gap between our Race King and Mountain King II in terms of application- The tyre is designed for XC and trail use with speed as the main priority
- It was developed in conjunction with the Topeak-Ergon professional MTB team who have now already recorded many race wins on what they call the perfect race day tyre
- Racesport carcass and BlackChili Compound combines to give a lighweight and extremely grippy tyre for weight concious racers
- The cleverly designed tread pattern which gives ample traction yet almost the rolling sensation of a much slicker tyre
- Handmade in Germany
- Folding tyre
- Constructed from 3 ply, totalling 180 tpi
- Weight: 540 grams
Occasionally, without notice, manufacturers change product design and/or specifications.
Continental MTB Tyre Chooser
Mountain Bike Tyres
Use the tyre chooser below to help find the perfect Continental tyre for your riding style and budget. These mountain bike tyres are designed for different MTB disciplines, with lightweight rubber for XC and highly durably tyres for enduro and downhill. Tyre profiles are made for different trail surfaces from dry and hardpacked to soft and muddy.
To find the right size tyre for your bike checkout our size guide below the tyre chooser.
| Hardpack | Dry | Mixed | Loose | Soft | Mud | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Downhill | Der Kaiser Projekt 2.4 Apex | ||||||||||||||||||||||||||||||
| Der Kaiser 2.5 Apex | |||||||||||||||||||||||||||||||
| Der Baron 2.5 Apex | |||||||||||||||||||||||||||||||
| Mud King 2.3 Apex | |||||||||||||||||||||||||||||||
| Enduro | Der Kaiser Projekt 2.4 PT Apex | ||||||||||||||||||||||||||||||
| Der Baron Projekt 2.4 PT Apex | |||||||||||||||||||||||||||||||
| Trail King 2.4 | |||||||||||||||||||||||||||||||
| All Mtn | Trail King 2.2 | ||||||||||||||||||||||||||||||
| Mountain King II 2.4 | |||||||||||||||||||||||||||||||
| Trail/XC | Mountain King 2.2 | ||||||||||||||||||||||||||||||
| Mud King 1.8 | |||||||||||||||||||||||||||||||
| X-King 2.4 | |||||||||||||||||||||||||||||||
| X-King 2.2 | |||||||||||||||||||||||||||||||
| X-King 2.0 | |||||||||||||||||||||||||||||||
| Race King 2.2 | |||||||||||||||||||||||||||||||
| XC Race | Race King 2.0 | ||||||||||||||||||||||||||||||
| Speed King 2.2 | |||||||||||||||||||||||||||||||
How to check your current tyre size?
Take a look at the sidewall of your current tyres and you’ll see one or two sets of figures;
One is the traditional size like 700x28c or 27.5x2.2. The first figure is the tyre diameter(size). The second is tyre width. Note: road bike sizes are in mm, MTB sizes are in inches.
The other set of figures you may see is ETRTO sizing like this 28-622. The first number here is tyre width while the second number relates to wheel diameter.
Here is a comparrison chart for traditional and ETRTO sizing to help you choose the correct tyre size.
| ETRTO Number | Dimension |
| 700c road bike wheels | |
| 18-622 | 700 x 18C |
| 23-622 | 700 x 23C |
| 25-622 | 700 x 25C |
| 28-622 | 700 x 28C |
| 32-622 | 700 x 32C |
| 37-622 | 700 x 35C |
| 47-622 | 700 x 47C |
| 26" mountain bike wheels | |
| 50-559 | 26 x 1.9 |
| 54-559 | 26 x 2.1 |
| 55-559 | 26 x 2.2 |
| 58-559 | 26 x 2.35 |
| 27.5" (650b) mountain bike wheels | |
| 50-584 | 27.5 x 1.95 |
| 54-584 | 27.5 x 2.1 |
| 57-584 | 27.5 x 2.25 |
| 29" mountain bike wheels | |
| 50-622 | 29 x 2.0 |
| 54-622 | 29 x 2.1 |
| 55-622 | 29 x 2.2 |
Will this tyre fit my wheel?
Your new tyre must be the same diameter as your current one (to fit your wheel rim).
Then, you need a choose a tyre which will fit your frame.
Road bike tyres are generally 21 – 28mm wide
MTB tyres can range from 1.5”-5”
To make things complicated road tyres are measured in mm, while MTB tyres are in inches.
How wide is too wide
You want to leave at least 4mm clearance between your frame and tyres to prevent rub and allow for mud clearance.
Measure the following areas on your frame:
Fork crown (top)
Brake calipers (make sure you squeeze them)
Chainstays
Seatstays
Subtract 4mm and you’ll have the maximum width your frame can handle.
Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!
Continental Tyre Guide
Continental Mountain Bike Tyre Guide
Tried and tested at the very highest level, Continental tyres are ideal for all types of mountain biking, from cross-country to downhill and everything in between. See the range of technologies that give their mountain bike tyres a performance edge.
Compounds
Black Chili Compound
Black Chili is Continental’s premium rubber compound for both road and mountain bike tyres. It offers more grip with less rolling resistance and even lasts longer than other rubber compounds.
Pure Grip Compound
Pure Grip is a performance rubber compound that sits just below Black Chili. An Activated Silica rubber compound, Pure grip offers excellent traction, is also long lasting and highly durable. Used on both road and mountain bike tyres, Pure Grip is produced in Continental’s Chinese factory.
Tyre Types & Protection
ProTection
ProTection is a ‘floating’ belt that sits inside the casing of MTB tyres. Tread and sidewalls are equally protected. These tyres are 25% lighter and offer 30% more puncture protection than their predecessors protected by DuraSkin. Rolling resistance and absorption have also significantly improved. Made in Germany, ProTection tyres are UST tubeless ready and feature Black Chili Rubber compound.
ProTection Apex
Designed to withstand the rigors of enduro mountain bike racing. In addition to the ProTection layer, these Apex tyres have a side wall layer that offers extra support. This gives you additional puncture protection even when the tyre pressure is low. ProTection Apex tyres get Continental’s Back Chili rubber compound and are made in Germany.
Apex
Offering extra protection and support for downhill MTB tyres, Apex sits on the tyre bead, between the 2ply casing and reinforces the side walls. This protects the tyre and rim from impacts when riding over rough terrain. Apex does not bend over the sides of the rim when subjected to transverse loads, and always stays true to the course.
Revolution Tubeless Ready
RTR or Revolution Tubeless Ready technology is Continental’s label for their tubeless tyres. Designed to be used with tubeless sealant, RTR is found in all ProTection and Performance mountain bike tyres.
RaceSport
Designed for cross-country mountain bike racing, RaceSport tyres feature a lightweight carcass made with resilient fabric casing that offers improved protection against flat tyres. RaceSport tyres are hand made in Germany with a particularly fine and high-grade nylon fabric with an expensive, protective rubber lining and a universal bead. With 30% better puncture protection than Supersonic tyres and Black Chili rubber these are the tyres you need for XC and Marathon MTB racing.
