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Tools/Maintenance

Rex Race Day Spray Chain Coating
$99.00
Rex Race Day Spray is a unique product for treating your chain and cassette by yourself, for extremely low friction and maximal dirt repellency. Rex is an expert in fluorocarbon coatings and we have decades worth of expertise in manufacturing products for cross-country race skiing. Now, we are the first in the world to bring the same technology into cycling. Together with our Domestique Chain Lube, Race Day Spray forms a lubrication solution with unmatched longevity and dirt repellency. The research and development for Race Day Spray was done together with the best athletes and world-known independent testing labs, to make sure the product meets Rex quality standards. Rex Race Day is manufactured at our factory in Hartola, Finland. INDEPENDENT LAB TESTED AND PARIS-ROUBAIX PROVEN. In tests conducted by Wheel Energy testing laboratories, Race Day Spray produced impressive results: Drivetrain noise and friction are lower from the beginning of application. (-1dB.) Drivetrain noise stayed -1dB lower during the 5h dyno test. A Race Day Spray-treated chain that had been ridden for 7 hours in “spring classics” weather, (dusty, wet gravel, asphalt), gained only 0,5 watts of friction when measured post-race and appeared completely clean! Chains that are treated with competing optimization solutions like UltraFast process, typically gain 2.07 W from pre-race to post-race, even in shorter races. ( As measured by Friction Facts in 2012 ) Compared to a chain that has lost its lubrication in race, the advantage when using Rex Race Day Spray is three extra watts in the finish line sprint. WITHOUT EVEN REMOVING THE CHAIN FROM YOUR BIKE. THE ONLY PRODUCT THAT YOU CAN ALSO APPLY ON CASSETTE. Until now, optimising your chain has required purchasing a pre-optimised expensive chain, which becomes a normal chain when the optimisation wears off. With Rex Race Day Spray, you can apply the optimization treatment yourself without even removing the chain from bike. Instead of optimizing only the chain, you can also treat the cassette for improved shifting and dirt repellency in extreme conditions. In addition, it is also economical: A single can of Race Day Spray gives you up to six chain treatments for a lower price than one readily optimized chain! For 2020. Race Day Spray has been upgraded with a more ample 85ml container, while the price remains the same. LAB TESTS VERIFY IMPRESSIVE PERFORMANCE. Fully cleaned chains were tested right after applying the lube, and then again after a six-hour race simulation with identical bikes and drivetrains. The test verifies what can also be heard and seen: A chain treated with Race Day Spray stays quiet, clean and efficient. After six hours of racing, there is 52% less drivetrain friction with Race Day Spray when compared to a chain that is lubed with Rex Domestique only. And even the Domestique lube is one the most efficient and longest-lasting lubes on the market! The longer you race and the worse the conditions are, the bigger the advantage is. No other chain coating or optimization solution can match the hydrophobic capabilities of Rex Race Day Spray!
Rex Black Diamond Chain Lube
$40.00
ULTRASONICALLY TREATED IN REX R&D LAB The secret of this new lube is the Black Diamond particles that are mixed into the lube in a time-consuming ultrasonication process at our factory’s Racing Service lab. The Black Diamond particles significantly improve the properties of the lube: Lower friction, lower wear and increased rain resistance. In continuous metal-to-metal contact that occurs in drivetrain while riding, the particles form an ultra-thin and hard layer that minimizes friction and wear, and is also waterproof NEXT LEVEL COMBINATION OF DRY AND WET WEATHER PERFORMANCE Previously, seeking for the lowest possible friction in a chain lube has meant sacrificing all-weather performance. So-called “wet” lubes have traditionally been very energy-stealing. Rex Black Diamond combines test-winning friction levels with strong weather resistance in a previously unseen way. Black Diamond has been tested in demanding race conditions by our elite athlete team. The true king of chain lubes! N-KINETIC™ WAX FEATURING THE LATEST RACE SKI WAX TECHNOLOGY They have upgraded the wax blend used in Black Diamond lube to the same Rex N-kinetic™ technology that is used in the best cross-country ski waxes. The slightly lower viscosity results into lower friction and better lube penetration into the chain. Rex is well known for its world cup level fluorinated ski waxes and is an expert in paraffin wax-based applications with six decades’ worth of experience. WAX BASED SOLVENT-FREE, NON-VAPORIZING, UNDILUTED Adding solvent or water to a chain lube is generally thought to be a great way to reduce manufacturing cost and giving the manufacturer a better margin. At Rex, we think otherwise. Every drop you apply on the chain is 100% lubricant and not something that will evaporate into the air. Unlike with most chain lubes, there is no need to wait until the solvent evaporates before you can ride your bike. UP TO 30 WAXINGS FROM A SINGLE BOTTLE UP TO 500 KM WITH ONE WAXING
Rex Black Diamond E-Bike Chain Lube
$40.00
Longer life for e-bike drivetrain. The longest lasting lube in the world as measured by Zero Friction Cycling. New e-bike optimized version is now available! AMAZING LONGEVITY OVER 1000 KM’S WITH A SINGLE APPLICATION Zero Friction Cycling is the world’s leading chain lubrication test laboratory, and it is trusted by all major chain lube manufacturers. There are over 300,000 controlled test kilometers from a comprehensive database of the best lubricants on the market. To date, no lubricant has remotely demonstrated the treatment longevity of Rex Black Diamond, which outperformed competing lubricants in tests, even when tested with an astonishingly long lubrication interval of 1,000 km. POWER AND TORQUE WITH E-BIKES, LUBRICANT CHOICE MATTERS! In electric bikes, chains and chainrings are subjected to higher forces than usual. Small chainrings and sprocket sizes, low cadence, and high power are a combination that wears out the drivetrain quickly. By choosing the right chain lubricant, the lifespan of your chains can be increased up to six times when compared to average lubes on the market. Under load, the Black Diamond E’s nanoparticles form an extremely durable and low-friction surface layer on metal-to-metal contact surfaces, significantly improving the lubricating properties. In addition to low friction and low wear, Rex chain lubes’ ability to recover from temporary interruptions in lubrication caused by sand, water and dust is researched to be the best in its category. Even when subjected to contamination, Rex does not turn into an abrasive paste that quickly wears out chains. This is due to Rex’s extensive knowledge of dirt-repellent waxes and their additives. ENHANCED COMPOSITION SYNERGETIC ADVANCEMENTS WITH NANO TUNGSTEN We took the recipe for Black Diamond and made it even better for electric bikes in two ways: Nanotungsten (WS2) improves the pressure resistance of the lubricant and further reduces the level of friction. When used in combination with our proprietary Black Diamond nanoparticle technology, a synergistic effect is achieved. The use of both additives at their optimal concentration gives a result that is better than the sum of its parts. For best performance, both nano additives are blended into the lubricant in an ultrasonic process at our factory in Hartola, Finland. As an additional spice, we added Rex N-Kinetic™ hydrophobic polymers to the composition. They give Black Diamond E better anti-corrosion properties than our previous chain lubes, and improve performance in very cold conditions.
Rex Assembly Grease
$20.00
UNIQUE INGREDIENTS SHARING THE BEST PROPERTIES WITH OUR HIGHLY ACCLAIMED DOMESTIQUE CHAIN LUBE Like the highly acclaimed Rex Domestique Chain Lube, our Assembly Grease also utilizes the same raw materials that we use in our high-fluor ski waxes. This unique approach gives Assembly Grease the same properties our chain lube is known for: Ultra-low friction and good lubricant film creation on metal-to-metal surface contacts. The fluorocarbon compounds further enhance the water repellency of the grease. Compared to our chain lube, we turned the product into grease instead of oil. FROM THE BEST INGREDIENTS Rex Assembly Grease is made at our factory in Finland, using medical-grade grease and paraffins unlike typical industrial greases. WITH ADDITIONAL PROTECTIVE QUALITIES In addition to PTFE and fluorocarbon compounds, the grease also contains a special anti-corrosive additive that further enhances protection against rust in headsets and bottom brackets. FOR ALL BICYCLE APPLICATIONS Assembly Grease is excellent for headsets and other bearings, bottom brackets, suspension linkages and bushings, axle threads and bolts. Tested year-around in harsh Finnish climate by elite Finnish bikers.
Rex Chain Lube Domestique
$20.00
DIRT REPELLENT WITH THE BEST RACE SKI WAX TECHNOLOGY In addition to skiing, we at Rex are also passionate cyclists. This is the main reason why we developed the lube. We started playing with the idea “If Rex made a chain lubricant, what would it be like?”. That sounded so interesting we had to find out! The Rex Chain Lube recipe combines out-of-the-box thinking with the best raw materials used in high-end fluorinated ski waxes. Rex is well known for its world cup level fluorinated ski waxes and is an expert in paraffin wax-based applications with six decades’ worth of experience. Each batch of Rex Chain Lube is carefully hand-mixed at our factory in Hartola, Finland. ELASTIC FORMULA OPTIMIZED VISCOSITY FOR LONGEVITY The unique elastic formula of Rex Chain Lube ensures optimal attachment to the chain without adding friction. Rex Chain Lube has been tested in road racing motorcycles at up to 300km/h speeds with good results. When applying Rex Chain Lube, you will notice how the lube forms thin hair-like strings where the chain leaves the chainring or derailleur pulley. This happens before the lube penetrates into the chain, and it is normal behaviour. ULTRA LOW FRICTION DYNO TESTED AND OPTIMIZED FOR BEST LONGEVITY AND WATT SAVINGS Dyno-tested independently by two acknowledged laboratories on two continents: Friction Facts (USA) and Wheel Energy (Finland). In both tests the results were encouraging: In the Friction Facts tests, Rex lube was the 10th fastest out of 55 lubes ever tested, with 5.48 W average friction. Most of the more efficient lubes are either not chain lubes at all (olive oil, hard paraffin wax), or thin solvent-based lubes with much shorter reapplication intervals. Rex lube is the fastest solvent-free and non-vaporizing chain lube tested by Friction Facts. (tested 7/2015) In longevity tests done by Wheel Energy, Rex outperformed competing mineral oil and solvent-based lubricants with a significant margin.
Rex Artic Chain Lube (for winter conditions)
$19.99
DESIGNED FOR WINTER BETTER PROTECTION AGAINST SNOW, COLD AND ROAD SALT Based on the popular Rex Domestique chain lube, the new Rex Arctic is a wax and oil hybrid lube that is resistant to snow, frost and road salt. Its composition has been improved for winter conditions with Rex N-Kinetic hydrophobic polymers. The improved winter properties include even better water resistance and effective corrosion prevention. The viscosity of Rex Arctic is optimized for cold conditions, and it lubricates without congealing even in the hardest frosts. WAX BASED SOLVENT-FREE, NON-VAPORIZING, UNDILUTED Adding solvent or water to a chain lube is generally thought to be a great way to reduce manufacturing costs and give the manufacturer a better margin. At Rex, we think otherwise. Every drop you apply on the chain is 100% lubricant and not something that will evaporate into the air. Unlike with most chain lubes, there is no need to wait until the solvent evaporates before you can ride your bike. You can think of it as a concentrated chain lube. That’s why only a small amount of lubricant is needed to keep the chain smooth and silent. LONG LASTING AMPLE AND ECONOMICAL IN USE Rex Arctic shares the well-documented lubricating performance and longevity of Domestique, and is thus among the best in its class. Despite its small size, each bottle is enough for up to 30 lubrications. Independent laboratory tests in Finland and Australia have proven Rex’s top-class lubrication ability. Low friction and low chain wear go hand in hand, and using Rex will make chains and cassette sprockets last longer.
Rex Chain Cleaner
$11.00 - $19.00
ACTIVE SOLVENT TECHNOLOGY DESIGNED TO DISSOLVE WAX AND OIL. USE STRAIGHT OR MIX WITH WATER. The special surfactants used in Rex Chain Cleaner increase the wetting properties of the low aromatic hydrocarbon solvent mix, and also create a water-miscible solution that can be used raw or diluted for water for use in chain cleaning machine. Rex Chain Cleaner dissolves oil, wax and other stubborn dirt and makes it water rinsable. We recommend using Rex Chain Cleaner for the drivetrain, the green Rex Bicycle Wash for everything else. NON-ALKALINE SAFE FOR ALUMINUM AND CARBON When researching raw materials for our bicycle detergents, we found out that many popular detergents that cyclists use to wash their bikes are actually harmful to them. Alkaline detergents cause corrosion in aluminum parts over time and take away the shine from anodized aluminum parts. Rex Chain Cleaner has been verified to be completely safe for anodized aluminum parts in long-term soak tests. It also does not leave a film on brake discs and thus weaken their performance. USE STRAIGHT OR MIX WITH WATER MIX RATIO: 1 PART CHAIN CLEANER / 2 PARTS WATER Active solvent technology: Mix with water for more economical use. Rinse away with water. Absorb dirty solvent into rags or tissues and let evaporate. TIPS: Cleaning cassette: Spray onto cassette cogs and brush off dirt and grease. Rinse with water Chain deep cleaning: Use Rex Chain Cleaner in a chain cleaning device, straight or diluted with water. Rinse chain with water, dry with rags or tissues and apply lube. Do not let Rex Chain Cleaner enter the sewerage system. Absorb used detergent into rags and let evaporate.
Rex Bicycle Wash
$14.00
100% BIODEGRADABLE BICYCLE WASH Ready to use, non-alkaline and solvent-free. Safe for all aluminum and carbon parts. NON-ALKALINE (pH7) SAFE FOR ALUMINUM AND CARBON When researching raw materials for our bicycle wash, we found out that many popular detergents that cyclists use to wash their bikes are actually harmful to them. Alkaline detergents cause corrosion in aluminum parts over time and take away the shine from anodized aluminum parts. Rex Bicycle Wash has been verified to be completely safe for anodized aluminum parts in long-term soak tests. It also does not leave a film on brake discs and thus weaken their performance. ECO-FRIENDLY 100% BIODEGRADABLE Rex Bicycle Wash contains water, 100% biodegradable anionic surfactants and complex binders. The mildly foaming detergent with a nice lemon grove scent is manufactured at our factory in Hartola, Finland. WATER-BASED SOLVENT-FREE CLEANER AND DEGREASER Rex Bicycle Wash is based on modern solvent-free chemistry. It’s strong enough to be used for removing stubborn grime from drivetrain. The mixture ratio we use for Bicycle Wash is actually four times as strong as needed for general bike washing. Despite its strong composition, Bicycle Wash is still safe for your hands and enviroment. If you need even more cleaning power for your drivetrain, we also have Rex Chain Cleaner. Rinse bike thoroughly with water Spray onto entire bike and let it affect for a while Brush stubborn grime with a brush or a sponge Rinse entire bike with water
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