Due to Material supply issues Rotobox production is now 8 to 10 weeks





These products are designed first and foremost for racing applications and may not be compatible with OEM street functions.
Please verify compatibility with your specific setup before ordering. If you have any questions, feel free to contact us for assistance.
We display live inventory for in-stock items. However, due to demand, popular Alpha Racing products can sell out. These items are restocked in our weekly orders. If an item is out of stock, it can still be purchased and will arrive with our next order, typically within 1–2 weeks (excluding holiday periods).
Alpha Racing Racing chain Regina 520 BMW HP4 Race 2017-2018, BMW S1000 XR 2015- 2016, BMW S1000 R 2014-2016, BMW S1000 RR 2009-2019- and BMW M1000 RR 2021- 2772A001B00
Racing chain Regina 520 pitch, 124 links, WorldSBK version
Additional articles
The Regina racing-chain with 520 pitch saves 0,5 kg weight compared to the stock 525 chain. Additional it is longer to allow for a longer wheelbase and larger rear sprocket.
weight: 2,040 kg
Delivery
- chain
- rivet link
Modified vehicle parts
The OEM transmission of 17/44 requires a chain length of 118 links.
| SKU: | 2772A001B00 |
|---|
Communication was on point and the fella worked with me on my address.
The good stuff
Awesome
Excellent fit and finish. Easy installation with no modification required
Supreme oversuspenion for my BMW M1000XR COMPETITION
One of the best purchasing experiences I've had. Customer service and communication is excellent.
They're a little tricky to install if you leave the radiator on the bike, but doable with minimal tools. The fit and finish can't be beat.
professional and very nice conversation and customer service even i did some mistake and they fix it
thank you 🙏
Very happy with the shock. HHR was great!
Easy fast and what I wanted
Love it, wish it came in twill weave gloss but it is on sale and fit and looks amazing! Just ordered frame carbon fiber from here as well to match !
I ordered this part for my r6.
Got a email back about 4 days later saying I didnt order the correct lines for it.
HHR didnt have to do that. I would not have known they took the time to make sure i got the part the first time.
I appreciate that alot. Integrity in this day and age seems to be long forgotten thing.
Will be ordering more parts as I need them and will use HHR for them.
Awesome piece and fits perfect. Definitely recommend getting this over the standard version, which I also have. This one pan is 30mm lower. Also make sure you get the Alpha seat Support bracket if running the stock subframe in addition to the mounting kit.
8mm swingarm spools such a great design very strong and doesn’t weigh nothing there not so big so it doesn’t stand out it’s perfect
Great experience
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