Shimano GRX FC-RX820-2 HTII cranks, 2x12, 48x31T
Shimano GRX FC-RX820-2 HTII Crankset
Gravel cycling has its roots in simplicity, inclusivity, and curiosity. Everyone, from beginners to seasoned veterans, relies on Shimano GRX, the first gravel-specific groupset - for smooth shifting, reliable braking, and exceptional comfort on any terrain.| Groupset | Shimano GRX |
| Gears | 2x12 |
| Crank length | 170 mm, 172.5 mm, 175 mm |
| Axis type | 24 mm (Shimano/FSA...) |
| Material | Aluminium alloy |
| Technical designation | FC-RX820-2-12 |
| Converters | 48/31T |
| Technology | HOLLOWTECH II |
| Chain line | 47 mm |
| Q-Factor | 151 mm |
| Spacing | 110/80 mm |
| Recommended chain | 12-speed HG |
| Package contents | right crank with axle and chainrings, left crank, nut |
| Weight | 721 g (172.5 mm) |
| Recommended bottom bracket | threaded: SM-BBR60, pressfit: SM-BB72 |
| product ID | 244669 |
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Zdravím ako by to fungovalo na biku vo velkosti M/L
https://www.mtbiker.sk/shop/bicykle/cestne/giant-defy-advanced-0-bicykel-ocean-twilight-p347944.html#851010
Chcel by som prejst do kratsich kluk 165 mm a sucastne aj do mensich prevodnikov jazdim viac kopce ako rovinu. Ak neberieme do uvahy zmenu vyzoru pri kombinacii gravel/ cesta.
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Dobry den, urcite mozete pouzit aj kratsie kluky, to je naozaj aj podla osobnej jazdeckej preferencie.
Avsak pozor, GRX kluky maju odlisnu retazovu linku - sirsiu. Odporucame tak skor volit s klasickych cestnych kluk, aby ste zachovali povodnu hodnotu, prip.nemuseli menit presmykac (na toto taktiez pozor aj pri prechode do mensich prevodnikov).
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Dobrý deň k tomuto produktu potrebijem nejaký náboj 70mm šírka a lisované ložiská ďakujem za info
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Dobry den,
mate na mysli stredove zlozenie?
Na aky ram kluky pojdu? Prip. fotka stredoveho domceka pomoze s identifikaciou vhodneho modelu.
Dakujeme.
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Dobrý deň,
Vhodné stredové zloženia sme vám poslali emailom
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Dobrý deň, viete prosím zohnať aj 165 mm? Ďakujem.
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Dobrý deň,
bežne v ponuke vôbec v tomto rozmere nie su.
Ted iba na individuálnu objednávku ak sú v centrálnom sklade.
Radi Vám to preveríme, stačí nám poslať link a napísať na [email protected] - následne môžeme doriešiť aj samotnú objednávku.
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Zdravím, vieme na aký typ stredového ložiska sú tieto určené? Ako bbr60 a pod. Prípadne aká je dĺžka osky. Ide o to ci by išli na trekingovy rám. (širší ako cestak/gravel)
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Dobrý deň,
podľa popisu produktu sa môžu použiť napr. ložiska závitové SM-BBR60 | SM-BBR60 alebo Press-Fit SM-BB72 | SM-BB72 .
WARNING
For assistance with installation, adjustment, and replacement of products not found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual intended for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer back to it at any time.
The following instructions should always be followed in order to prevent personal injury, physical damage to equipment and the surrounding area. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and the surrounding area.
WARNING:
Do not disassemble or modify the product. This may cause the product to not operate correctly, and you may fall unexpectedly and be seriously injured.
Before riding the bicycle, check that the crank arms are not cracked. If there are cracks, the crank arm may break and you may fall off the bicycle.
Be careful that parts of your clothing do not get caught in the chain during riding. If they do, you may fall off the bicycle.
CAUTION:
Be careful and do not touch the gear teeth. There is a danger of injury.
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