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ITEM NUMBER: 9794
It is not just a heater. It is a cycling-specific wax system.
If Rex Black Diamond Hot Wax is the benchmark wax, Rex Pro Wax Heater is the tool that makes using it simple.
Why choose the Rex Pro Wax Heater >>
Chain Preparation
New chains:
Remove the factory grease using Rex Chain Cleaner according to the product instructions.
Alternatively, add one Rex Transformer Block per chain according to the product instructions.
Used chains:
If the chain has previously been waxed with Rex waxes, wiping or rinsing with hot water is sufficient.
If the chain has been lubricated with wet chain oils, clean it using Rex Chain Cleaner.
Make sure that no water enters the wax pot together with the chain.
Removing the chain using the included chain pliers:
Attach the wire hanging handles to each other using the finger-tight screw included in the package.
This forms a pair of chain pliers that can be used to remove and install the chain.
The hanging handle also functions as a bottle opener.
The chain’s quick link does not need to be waxed.
Placing the chain in the wax pot
Temperature Selection:
Mixing and Lifting the Chain
Open the lid and stir the chain in the molten wax by rotating the wire handle in both directions.
Lift the chain onto the hanging rack to cool. Excess wax drips back into the pot.
The chain may be lifted out of the wax either at temperatures above 100 °C or at 75 °C.
Reusing the Wax
Switch off the device and allow the wax to cool.
Store the wax in the device and melt it again for the next use.
Wax Removal
The wax should be replaced with new wax from time to time, because sand and impurities that enter the wax reduce its lubricating performance.
Switch off the device and unplug the power cord. Allow the wax to cool completely. Remove the hanging rack.
Turn the device upside down onto cardboard or, for example, a plastic bag.
Switch on the device by pressing ON/OFF.
The wax detaches and falls out as a single solid piece from the pot when it warms slightly at the edges.
Then switch off the device and unplug the power cord.
Wipe the remaining wax from the pot with paper while it is still warm.
Never turn the device upside down while it is hot or when there is a risk that the wax is still partially molten.
Only turn the device upside down when it is cold and only during the wax-removal procedure described earlier in this section.
Only during this wax-removal procedure may the device be operated upside down while connected to power.

Rex Black Diamond Hot Wax has set a new standard for bicycle chain lubrication. Now it finally has the heater it deserves.
Rex Pro Wax Heater is a purpose-built hot wax heater for bicycle chains — not a repurposed slow cooker, rice cooker or small wax heater originally designed for hair-removal wax. It is built around the way chains are actually waxed: melting a full pack of wax, handling multiple chains, lifting them cleanly and making the whole process repeatable.
The spacious wax pot holds a full 480 g pack of Rex Black Diamond Hot Wax and has room for several chains. The included hanging rack, waxing wires and chain-handling tools make the whole process controlled from melting to lifting and cooling.


That experience has shaped how we approach bicycle chain lubrication: not as a trend, but as a complete system built around performance, cleanliness and repeatability.
Rex Pro Wax Heater is optimized for Rex Black Diamond Hot Wax and Rex Transformer Block. Together, they create a complete hot waxing setup for riders who want the benefits of waxed chains without the usual hassle.
The sturdy metal construction makes Rex Pro Wax Heater suitable for serious home mechanics, team use and professional bike shops. It feels like a real workshop tool — not a repurposed kitchen appliance or a beauty wax heater pressed into bicycle use.
The large wax capacity also makes it practical for riders who rotate several chains. Wax one chain, two chains or prepare multiple chains for a long block of riding. Less mess, less improvisation, more control.



Hot waxing should not feel like waiting for a slow cooker. With BOOST mode, Rex Pro Wax Heater melts a full 480 g pack of Rex Black Diamond Hot Wax in approximately 30 minutes.
When BOOST mode reaches 125 °C, the heater gives three audible signals and then automatically cools down to 75 °C, where it remains for waxing. This gives you a simple, repeatable process: melt fast, wax at a controlled temperature, lift the chain and let the excess wax drip back into the pot.
For many riders, the biggest barrier to hot waxing is not the waxing itself — it is the first deep clean. Removing factory grease from a brand-new chain is slow, messy and easy to get wrong.
Rex Pro Wax Heater and Rex Transformer Block are designed to solve that problem together. When used according to Rex instructions, the Transformer Block allows you to wax a factory-new chain without the traditional solvent degreasing process.
Add Rex Black Diamond Hot Wax, one Transformer Block and one factory-new chain. Press BOOST. The heater runs the high-temperature melt phase required for the Transformer Block process, then cools down to the normal waxing temperature.
This turns the most difficult step of hot waxing into a simple, repeatable process — and makes it much easier to start waxing chains properly from day one.



The heater includes two waxing wires and hanging handles for practical chain handling. The chain can be placed in the pot while the wax melts, so it heats together with the wax. Once the wax is fully molten, the chain can be stirred by rotating the wire handle in both directions, helping the wax reach the rollers and inner surfaces.
After waxing, lift the chain onto the hanging rack. Excess wax drips directly back into the pot, keeping the process cleaner and more efficient.

Small details matter in a good workshop tool. The wire handles can be connected to form chain pliers for opening and closing quick links. The handle also works as a bottle opener — a small Rex detail that makes the product feel less sterile and more human.


After waxing, the wax can be left in the heater and melted again for the next use. When it is time to replace the wax, Rex Pro Wax Heater has a dedicated wax removal procedure: once the wax has cooled completely, the device can be turned upside down and gently warmed so the wax releases from the pot as one solid piece.
This makes wax changes cleaner and more practical than scraping old wax out of a generic container.