UNBOXING
To help you get to grips with your new ride, here are some tips on using your RCX for the first time:
REF: 8738472
VAN RYSEL RCX 2 SHIMANO GRX 12S
2023
Welcome to the customer support page for your RCX 2 SHIMANO GRX 12S.
This page contains advice on how to use, maintain and repair your RCX 2 SHIMANO GRX 12S, including user guide, servicing, repairs and spare parts.
RCX UNBOXING
FIRST USE
SWITCHING YOUR RCX TO TUBELESS
SWITCHING YOUR RCX TO TUBELESS
HOW TO ADD A FRONT DERAILLEUR
TYRE PRESSURE
The first time you take your bike out, choose the tyre pressure carefully, taking into account the weather conditions and your weight.
For dry terrain, inflate your tyres to between 2.5 and 3 bars. For damp terrain, drop the pressure to 2 bars.
BEDDING IN THE BRAKE PADS
Running in the brake pads is vital when using a bike for the first time.
To run them in properly, we recommend you brake 20 to 30 times at over 25 km/h, without locking the wheel.Also make sure you don't stop between braking to avoid "freezing" and thus sticking the pads to your discs.
TORQUE SETTINGS
Make sure you tighten to the recommended torque, particularly the stem / handlebar (5 Nm) and seat post clamp (6 Nm).
To set your position properly on the bike, carry a set of Allen keys with you on your rides.
ADJUSTING YOUR POSITION ON THE RCX II
Steering position
To adjust your position, you can remove the "spacers" located under the stem. Once you've set everything up as you want, don't be afraid to cut the part of the blade that comes above the stem. We recommend getting a professional to do this in one of our bike workshops.
MAINTENANCE
Maintaining your bike is essential if you want to expand its lifecycle. That starts with regularly cleaning your bike, the frame and drive train.
Step 1
Apply a degreaser to your drive train. Place a cloth on top of the brake discs to prevent them from being covered with degreaser.
Step 2
Clean your drive train with the aid of a brush. Apply a suitable cleaning product to your frame.
Step 3
Drying your bike and lubricating your drive train.
Essential tools for your workshop.
Selecting the right tyre for your RCX
The tyre is the only element in contact with the ground. To minimise the risk of it losing grip, it's essential to choose the right type of tyre, and adapt the pressure accordingly.
The RCX comes with tubeless-ready wheels.
Adjusting and tightening the seatpost
To make sure your saddle is set correctly, you must make sure it is properly tightened. A loose seatpost can easily drop down when you're out and about on your bike.
If you tighten it up too much, however, you run the risk of crushing the seatpost and damaging your bike.
The best way to tighten a seatpost is to use a torque wrench. It should be tightened to 6 Nm.
NB: Do not exceed the maximum height indicated on the seat post.
Changing your chain
The chain is a vital part of your bike's drive train. The following are tell-tale signs that you need to change it:
- The chain starts jumping.
- The chain has been on for more than 5,000 kilometres.
- Gear changes are not smooth.
To find out more read our article:
Changing your brake pads
The following are all signs that you might need to change your brake pads:
- You don't have the same responsiveness as when you bought your RCX and there's a lack of bite.
- Your bike makes a strange noise when you brake sharply.
- The thickness of the pad is below 0.5 mm.
This article tells you how to change your brake pads:
Changing your brake discs
Although disc brakes are designed to wear out the brake pads and not the disc, the disc will eventually wear out where there is heavy use.
It can be dangerous to ride with a worn brake disc. It could break when braking sharply and hard.
The maximum wear value of the thickness of the disc is around 10% of its original value. We strongly recommend that you change it when the wear exceeds that figure.
160 mm front and rear disc.
Greasing the bearings on your bike
To ensure your frame lasts longer, grease the bearings and abrasive parts of your RCX bike regularly. You should be keeping a close eye on the following:
- Bottom bracket.
- Steerer tube.
- Wheel bearings.
- Seatpost.
Degreasers, lubricants, etc.
Chains, cassette, pedals
Brake pads, brake discs, housings, etc.
Tyres, inner tubes, patches, etc.
GOT A PROBLEM?
In this section, we've listed the most common problems encountered with the RCX. To extend the life of your bike's components and avoid having to work on them, we recommend the following:
MAINTAINING/CLEANING YOUR BIKE
To extend the life cycle of every part on your bike and its drive train, you must clean them regularly.
Please refer to the section above to find out what to do.
WEAR
Your bike's wear parts all have a shelf life. If you don't replace them when necessary, it might cause other parts to wear more quickly or cause them to break:
- Chain: 5,000 km
- Cassette: 10,000 km
- Check the teeth on your chainrings and derailleur pulleys for wear.
TORQUE SETTINGS
To ensure you don't put too much strain on the various parts of your RCX bike, please comply with the torque settings that we recommend.
If the torque settings are too high, they can cause parts to break, increasing the risk of you falling.
CHANGING YOUR PEDALS
Are your pedals broken?
NB: please note that the screw thread on the left pedal is inverted and that the pedal thus screws on in an anti-clockwise direction. The right pedal has a standard thread.
Make sure to use the correct tool to remove your pedals as you will need to use some force to unscrew them.
Changing your tyre
If you suffer a puncture, watch our video tutorial to find out how to change your conventional or tubeless tyre:
CHANGING YOUR HANDLEBAR TAPE
The tape on your handlebar will wear over time and you'll need to change it occasionally.
Follow our tutorial to change it:
Your bike isn't braking as well as it used to
There are several things you can do if your brakes aren't working as well as they used to:
- Use a degreaser to clean the disc.
- Check the brake pads for wear.
- Check the tension of the cable.
If your brake pads are worn, you must change them. Watch the following video tutorial.
YOUR DISC BRAKES ARE MAKING A NOISE
If your disc is making a noise:
- Check that your wheel is properly centred. To do this, loosen the wheel and tighten it up again.
- Check that the brake calliper is in the right position.
- Check the brake pads for wear.
- Check the tension of your brake cables.
Your derailleur isn't able to shift gears any more
If your derailleur is no longer responding to your gear changes, you may have to replace the cables and housings on the derailleur.
Watch our video tutorial to find out how:
YOUR GEARS ARE SKIPPING
If the gears are skipping, you should check the following:
- The wear on your drive train.
- The tension of the cables.
If the problem lies elsewhere, then you should adjust your derailleur.
THE DERAILLEUR HANGER IS BROKEN OR BENT
If the drive train is not working properly and the derailleur hanger is twisted.
Visit your local Decathlon Workshop to have your frame checked and derailleur hanger replaced.
CHANGING YOUR CHAIN
Changing your bike cassette
To find out if your cassette is worn just count the number of teeth on it. If the chain jumps or the cassette has more than 10,000 kilometres on it, it's time to change it.
Watch our video tutorial to find out how to change it:
HOW TO CHANGE YOUR CHAINRINGS
Are your chainrings worn? Do you want to change your gear ratio?
Watch our tutorial video to find out how to do it.
How to change your rear derailleur
SPARE PARTS
VAN RYSEL RCX
SRAM APEX AXS
Assistance
Can't find a solution to your problem? Contact our bike mechanic and get some help.
User guides
Bike instructions
VAN RYSEL RCX SHIMANO GRX
Drive train
SHIMANO GRX
OUR PLEDGE
VAN RYSEL offers a 5-year warranty on the frame of your RCX.
All other parts have a 2-year warranty.