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Rex Black Diamond Hot Wax is a hot wax for bicycle chains and is designed for cyclists who want the lowest possible friction and a significantly cleaner power transmission than oil-based lubricants can offer. In recent years, hot waxing has risen to the position of being considered by many to be the best way to maintain a chain. Black Diamond Hot Wax is Rex's answer to this. It is a wax that behaves in the same way as the premium hot wax solutions that have been successful on the test benches and is also what active enthusiasts are looking for when they are looking for the best hot wax for chains for long and stressful rides.

The wax is made up of twelve pieces. Eleven white paraffin pieces form the typical Rex clean and hard wax base, and alongside them is a single hand-cast black additive piece. This piece contains the same technology that has made Black Diamond chain oil the number one choice in international comparisons. When all the pieces are melted together, a wax mixture is created that repels dirt more effectively than traditional chain waxes, stays hard and dry, and keeps chain friction low even after riding becomes wet, dusty, or long-term. The durability of chain wax is particularly emphasized by how well the surface remains hard after several hours of riding.

Black Diamond Hot Wax also allows for a precisely controlled two-step waxing process. When the additive block is melted with four white wax blocks, a mixture is created that is designed for the longest and most demanding races. The remaining seven white blocks can be used as a pre-wax so that the actual race mixture remains clean and effective for as long as possible. If you want to supplement the waxing additive later, a separate Rex B$lackDiamondHotWaxadd-on$ is available, which gives you the opportunity to build your own mixing ratio exactly according to the conditions.

A hot waxed chain benefits from maintenance. Once the chain has been treated with this wax, daily or weekly maintenance is easily achieved with $RexDomestiqueDripWax$ or Rex Black Magik Liquid Chain Wax, which is fully compatible with the wax surface and works on the same logic as many hot wax chain maintenance products in international tests. Domestique keeps the surface hard and low friction without the need to re-wax.

The performance of Black Diamond Hot Wax has been honed both in Finnish riding conditions and on the Zero Friction Cycling test bench. Tests showed a clear advantage over many of the most popular chain waxes on the market. This is reflected in the cleanliness of the chain, the stability of the friction level and how little maintenance the chain requires even after long rides. The wax forms a structure that naturally removes dirt and can be cleaned with hot water without chemical washing.

When you want a chain that stays dry, low-friction and clean without constant maintenance, this is one of those waxes that you can easily build a season on. It works off-road, gravel and on the road in all conditions and gives you exactly the feeling a cyclist expects, with the chain moving effortlessly and the drivetrain remaining quiet for long periods of time.