Form is being processed
Rex Black Diamond Chain Lube, 30 ml
In-store pickup
Today from 09:30
Check availability
chevron_forward
By courier to your home
Delivery method on Wednesday 17.06.2026
At pick-up points
Delivery method on Wednesday 17.06.2026
replay
Extended return option up to 100 days More info
•
shopping_cart
more than 500 customers
have already purchased this product
Product description
To achieve the best results, it is necessary to completely degrease and clean the chain before the very first application of the lubricant (e.g. with Rex Chain Cleaner). If you are applying this lubricant to an already used chain for the first time, it is great to warm it up first and then lubricate the drive during or after the trip, lubricant it flows better into the bowels of the chain.
An article about a product
Reviews
Product questions
•
•
edit
•
•
•
•
•
•
•
•
REX Black Diamond Chain Lube
The king of all bike chain lubricants. Diluter-free, high-fluorine Rex Black Diamond chain lube is characterized by a unique formula and a time-consuming production process, where Black Diamond graphene nanoparticles are mixed into the lubricant using an ultrasonic process. This new combination reduces friction, wear and increases resistance to rain. In the development of this unique product, Rex also collaborated with one of the few independent laboratories, Wheel Energy, which tests the effectiveness of individual lubricants. From a 300 km test on a dynamo (with a load of 175 W) it emerged that the Rex Black Diamond lubricant has the least resistance of all tested premium lubricants.To achieve the best results, it is necessary to completely degrease and clean the chain before the very first application of the lubricant (e.g. with Rex Chain Cleaner). If you are applying this lubricant to an already used chain for the first time, it is great to warm it up first and then lubricate the drive during or after the trip, lubricant it flows better into the bowels of the chain.
Product features
|
Suitable for all seasons, dry and wet conditions, for the road and for the terrain
|
|
Ideal for racing and performance riding
|
|
Does not contain added water or diluent
|
|
Possible to ride immediately after application, no need to wait for any dripping or evaporation
|
|
Fastest undiluted and non-volatile lubricant (Wheel Energy laboratory, Tour de France 2019)
|
Product details
| Volume | 30 ml |
| product ID | 97748 |
Product rating (83 ratings)
4,7/5
(83 ratings)
(71 ratings)
(4 ratings)
(4 ratings)
(2 ratings)
(2 ratings)
How do you rate the product?
Add a review
Help others, earn points and shop better prices thanks to the loyalty program
Product questions
•
thumb_upthumb_down
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Good day. I have been using this lubricant for 2 years, but the last two orders (August and September 2023) you sent me Rex Diamond in such a thick consistency that it stretches immediately when lubricating the links after turning the drive, it also stretches on the rollers and instead of the drive remaining clean, it sputters from rear wheel drive. Until now, I have always had a liquid consistency and this was not a problem. So, when ordering, I put a note in the notes to check if it is not too thick before sending, and yet you delivered thick glue again. I asked several friends who also use it, and one of them has the same problem, the others ordered earlier and it was still fine then. Will it still be like this or has the composition changed? The joy of having a super lubricant, even if it's expensive, has completely disappeared because of this, because for 46e to buy a product whose quality has rapidly deteriorated is bad... does anyone else have a similar problem? well thank you
Automatically translated
thumb_upthumb_down
•
edit
thumb_upthumb_down
Dobrý deň.Ja ho používam dva roky a už od prvého objednania bol hustý.Myslel som si že taký má byť.Teraz som ho objednal z iného shopu za 35 e. Je riedky až som si myslel že je to fejk,ale podľa tohto práve taký má byť🧐
thumb_upthumb_down
•
thumb_upthumb_down
Keď bol riedky pohon bol úplne čistý, keď je hustý naťahuje sa po reťazi, oživení a prská po celej zadnej časti bicykla. Tu je video: https://www.uschovna.cz/download/MNV6SDB5MGGB5244-44J/3PZ94CB6TF/
thumb_upthumb_down
•
thumb_upthumb_down
Dobry den,
mrzi nas Vasa nespokojnost s danym produktom. Overenie zmeny zlozenia/charakteristiky uz riesime s vyrobcom/dodavatelom. Akonahle budeme mat blizsie info, tak posuniem!
Prajem zatial pekny den.
thumb_upthumb_down
•
thumb_upthumb_down
Ďakujem pekne za odozvu, som zvedavý na vyjadrenie nakoľko doposiaľ som bol s ním veľmi spokojný.
thumb_upthumb_down
•
thumb_upthumb_down
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
we can still get this:
https://www.mtbiker.sk/shop/servis-a-trening/mazivo-a-oleje/oleje-vosky-na-retaz/rex-domestique-chain-lube-lubrikant-na-retaz.html
Thank you for your response
thumb_upthumb_down
•
thumb_upthumb_down
Dobrý deň,
dostupnosť tohto tovaru Vám momentálne nevieme overiť u dodávateľa, pridajte si ho do wishlistu a hneď ako bude dostupný budete o tom informovaný.
thumb_upthumb_down
•
thumb_upthumb_down
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Good day. What is the volume of the package?
Automatically translated
thumb_upthumb_down
•
thumb_upthumb_down
Dobrý deň,
balenie má 30 g, 1 mazanie vydrží 500 km jazdenia, 1 balenie = 30 aplikácií.
thumb_upthumb_down
•
thumb_upthumb_down
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
after 30 km of oiling, the chain is spinning as when using oil for 4 Euros. I am doing something wrong ?
Automatically translated
thumb_upthumb_down
Form is being processed
Finnish brand Rex has been making ski care since 1952, and in 2015 they also focused on bike care. Their Black Diamond lube won an independent laboratory test as "the most effective". Their offer also includes cleaners and vaseline.
All the answers to questions about delivery, payment, security, returns, warranty and much else.
Similar products
You can try these searches
You may find these products complementary
Bike cleaning tools
Show all
Bike chain links and rivets
Show all
savings Shimano SM-CN910 quick link for HG chain, 12-speed, pair
8.49 €
savings
RRP 14.99 €
savings SRAM PowerLock Silver chain connector, 8-sp., silver
11.99 €
savings
RRP 20.99 €
savings Shimano SM-CN900 quick link for HG chain, 11-speed, pair
10.99 €
savings
RRP 17.99 €
savings SRAM PowerLock Eagle link chain, 12-speed, silver
2.99 €
savings
RRP 20.99 €
savings SRAM Eagle PowerLock quick link, 12-speed, rainbow
2.99 €
savings
RRP 18.99 €
Bicycle chain riveters
Show all
Sale savings Lezyne Chain Drive chain riveter, 8-11 speed
12.99 €
savings
RRP 19.99 €
savings Shimano TL-CN29 riveter for HG 9-12 speed chains
41.99 €
savings
RRP 59.99 €
Gauges and meters
Show all
Bike maintenance and cleaning products
Show all
Why shop with us?
Find out what makes us special
1 500 000+ orders
We are the largest cycling e-shop in Slovakia, verified by 100,000+ customers.
Unique customer service
We are available via e-mail, online chat, phone or in person at our MTBIKER stores.
We actively support the cycling community in Slovakia
Thanks to your order we can support cycling development.
Secure payment methods
The payment process is safe and we offer you a wide range of options.
Loyalty program
We will reward you for your purchase and also for quality contributions in the MTBIKER forum, e-shop, trips and photo gallery.
MTBIKER centre and showroom
Visit our store with a pump-track and trail access or our showroom in a historical bulding in central Bratislava.
arrow_outward
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
A truly jawdropping performance. I heard about RBD from a friend and after that I read the review at Zero Friction Cycling. The test results were so out of this world, I had to try this lube out. Astonishing performance. If you follow ZFC"s guide and properly degrease your chain, and put the Rex lube on it, you will get a totally silent, clean and shiny drivetrain, even on a 12.5% ovality front ring combo. Even after close to 40 hours on the turbo in ERG mode (shiting after 10 hours), no real loudness, chain runs great, no performance drop. With a KickR V5, and a P2M NGeco, I realised that I lost so much watts with other overhyped products. Instant 4-5 watts over any MucOff product, and 6-7 over the factory grease. This is the net saving measuring the PM and the trainer. The measured values differ from -2 to 13 watts, but you have to subtract the accuracy of the meters and filter out the outliers. What truly amazing is, that the lube not just holds its performance but after 8-12 hours it gets even better. I am totally sold to Rex, will even try that race spray, because I am pretty confident, that those last 2 watts will be in those bottle too. Follow Zero Friction Cycling"s guidance and if you try this out, I am 100% sure you won"t be sorry for it. Usually not writing reviews, but this product does everything which is in its advertisement, and maybe even more.
Edit1: First PC1130 chain wore out completely (0.5 drop in practivally everywhere) only after 3000+ km, which is really good for this chain. Used it on the turbo, inside in ERG mode, which sure helped a lot, but recently I could only get out 2000 kms from these, so happy with the result.
Variant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
I have been using the classic (red) Rex for a long time, in the fall I started to lubricate with this. In the rain, of course, it washes it off, and it is necessary to lubricate it. In normal autumn conditions (dry, wet leaves, some small drizzle), my chain can last 400-500 km with this wax, sufficiently lubricated. However, it must be applied thoroughly, a drop on each link, and preferably still rolled with the ring so that the wax flows better. After leaving, I just wipe the chain with a rag. Under these circumstances, this lubricant will definitely not be expensive, and it will also save me a lot of time.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
If I thought that Squirt was the best lubrication for MTB taj after trying Rex I changed my mind. The advantage over wax is its durability is 3-4 times, but the drive is clean (without dust, sand and deposits of dirt). The cassette on heavy gears is a little black but not from dirt, the chain is clean as from wax but not dry as after wax. The disadvantage is the price, if it cost half the price, the competition would have nothing to eat
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Excellent lubricant. I tried switching to REX wax but switched to this lube after 2 months. When waxing, I was bothered by the noise after waxing the chain. With this lubricant, the chain is quiet, a little dirt sticks, but it is enough to wipe it after driving. Endurance on the road approx. 500 km.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
I'm starting to test this product and it looks like it's really great. I live in Ireland, where the weather is as it is, sometimes three seasons change in a day. but the chain is still fine. It's definitely worth it. It lasts a long time
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
It is worth absolutely every penny it costs. Best chain lube I've ever had. The chain doesn't get dirty, it's quiet and lasts over 400 km with one lubrication (outings on forest trails in the dry and in the wet).
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
So far, after 90 km, I have to say that it's great. The chain is quiet and clean. Driven in the forest and in the dry, I'll come home and wipe it with a cloth and that's it, if it lasts another 100 km in this condition, I won't use any other lubricant ?
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
I've been buying for a long time and I'm satisfied, the packaging will last almost as long as the chain. After lubricating the chain, you can immediately feel the difference. It is thick, so I recommend applying it the day before departure.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Much cleaner chain even after 300 km than with normal oils. It applies perfectly, I would have appreciated a little more quantity for that amount...but that's just the way it is, you pay for quality.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Naozaj niečo menej lepí prach. Na suchom a v prašnom prostredí je počuť reťaz už po 40 km. Bežne mi ale vydrží na jedno namazanie cca 70 - 80 km. Ostávam pri tomto mazaní.
Translate by GoogleShow the originalVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
It can easily last 300 kilometers on a dry road bike with one lubrication. I personally have ridden over 300 km and have not heard it yet. And it doesn't get dirty...just minimal.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
After a year of use, I must state that I have found a lubricant that does not make me think about another one. I wish I could say the same about tires...
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
excellent lubrication, does not stick to the chain, after 400 km the chain is still clean and well lubricated. so far I have only driven it in dry conditions and top.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
I used the red Rex, but this black one seems better to me (it is easier to apply and the chain is totally silent and it works great)
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
Very good lubricant. It lasts approx. 150 km for one lubrication in any conditions and does not "blacken" the chain.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
So far the best I've had, Maze as good if not better than Mucoff Hydrolube, but spins much less. AWESOME!!!
Automatically translated
Na jedno namazanie prejdem cca 300km ,potom uz zacina byt pocut retaz,aj ked mazanie je mozno este postacujuce
Translate by GoogleShow the originalVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
I'm testing, no chain change after 1500km, probably good. The last two rides in the mud after 2300km, chain change.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
The best lubricant. I regret all the purchases of the cheaper brands from Shimano, etc. I'll just stick with this. Top.
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
super lubricant, I have never had a cleaner chain. it also works in damp, wet orocenter, but it doesn't last long in mud
Automatically translatedVariant Rex Black Diamond Chain Lube mazivo na reťaz, 30 ml
my Shimano chain has traveled approx. 7000 km, and I am not going to recommend it at all, incredible lubricant
Automatically translated