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FORCE

FORCE C 8.5 cranks, 170 mm, 3x8, 42/34/24T, square, with cover

17.99 €
RRP 20.99 €
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From 22.06.2026 (Monday) Check availability
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Delivery method on Tuesday 23.06.2026
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Delivery method on Tuesday 23.06.2026
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Rating (14)
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4,7/5
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FORCE C 8.5 cranks

MTB cranks with triple gear 42/34/24 teeth for 6-8 gear systems and for a central axis with a square.
Product features
The cranksets are iron and riveted (not replaceable) and are covered with a black plastic removable cover
Force C 8.5 cranks are designed for a square bottom bracket (recommended axle length is 120 mm)
Product details
Groupset Other
Gears 3x8
Crank length 170 mm
Weight 940 g
Material aluminium, steel
product ID 85076
Product rating  (14 ratings)
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Tom_TRM Tom_TRM • 17 March 2021 at 9:03
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

For this price, probably the best cranks I've had/tried.

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17 March 2021 at 9:03
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cesky cesky • 3 January 2026 at 18:24
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

SK Najväčší tanier nie je úplne rovný, ináč OK

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3 January 2026 at 18:24
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Luigi Luigi • 15 november 2021 at 21:39
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

It's a pretty good choice for older bikes

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15 november 2021 at 21:39
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parnican parnican • 12 June 2022 at 7:03
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

I'm satisfied so far

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12 June 2022 at 7:03
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vladobac1 vladobac1 • 22 January 2026 at 22:19
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

SK Používam dlhodobo

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22 January 2026 at 22:19
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MarekGbely MarekGbely • 3 February 2024 at 21:04
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

They fulfill a function

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3 February 2024 at 21:04
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martinpasztor23 martinpasztor23 • 1 January 2023 at 16:54
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

Guilty

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1 January 2023 at 16:54
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Martinpoprad Martinpoprad • 16 January 2023 at 19:00
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

Satisfied

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16 January 2023 at 19:00
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birokarol77 birokarol77 • 20 september 2022 at 15:31
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

Quality guys for older and cheaper bikes. They only stick out a little when put on. I had to shorten the center assembly by 5 mm to fit the chain line

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20 september 2022 at 15:31
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DusanZalesak DusanZalesak • 29 April 2023 at 14:52
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

great for a cheap bike, I just throw the converters to the side a little, but nothing terrible

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29 April 2023 at 14:52
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jcupk84 jcupk84 • 29 June 2024 at 6:49
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

Price, performance, comfort ratio. Ideal for beginners.

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29 June 2024 at 6:49
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Viktor_Kvasnica Viktor_Kvasnica • 29 october 2019 at 12:28
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

Good basic cranks for a good price, satisfaction.

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29 october 2019 at 12:28
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cubamartin cubamartin • 14 March 2023 at 11:20
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

14 March 2023 at 11:20
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erik92 erik92 • 26 september 2025 at 12:02
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

26 september 2025 at 12:02
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Product questions
JakubVoscek JakubVoscek • 12 July 2020 at 11:51
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

Good day,
I would like to ask for your advice. I am changing the guys on an old bike, I tried to fit all the parameters according to the previous guy. Except for the length of the axis (119 mm), everything is the same. How important is it to pay attention to the exact length of the axis?
Thank you for your response.

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12 July 2020 at 11:51
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customer-support customer-support Customer support • 21 august 2020 at 10:48 •replyJakubVoscek
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SK Dobrý deň,
dĺžka osky je dôležitá pre zachovanie reťazovej linky. Ak už nie je zhodná, mala by byť čo najbližšieho rozmeru.

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21 august 2020 at 10:48
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JakubVoscek JakubVoscek • 21 august 2020 at 10:57 •replycustomer-support
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SK Dakujem, pekne.

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21 august 2020 at 10:57
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stefandako stefandako • 29 september 2022 at 13:10
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

Good day,
I want to change the cleats on the old MTB to this one (fits according to the number of teeth and the length). I also want to change the axle, a 120mm axle is recommended here, it was 127mm on the old one. Should I buy according to the old one or according to the boy's recommendation. Well thank you

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29 september 2022 at 13:10
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gronkjear gronkjear Customer support • 3 october 2022 at 13:38 •replystefandako
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SK Dobrý deň prajem,

pri starších typoch bicyklov je to vždy trochu problematické, rozmery vtedy ešte neboli štandardizované - osobne by som sa ale skôr prikláňal k dĺžke osky podľa pôvodných rozmerov, t.j. 127 mm.

Ak by náhodou oska nesadla a pozícia kľúk, resp. reťazová linka by sa Vám nepozdávala, tak samozrejme nepoškodenú osku nie je problém vrátiť, príp. vymeniť za iný model - https://www.mtbiker.sk/shop/informacie/vsetko-o-nakupe.html ("Čo ak sa mi tovar nepozdáva?").

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3 october 2022 at 13:38
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mtbiker_obchod827 mtbiker_obchod827 • 3 october 2023 at 7:54 edit
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 42/34/24T, štvorhran, s krytom

Good
I can use these cranks instead of Shimano TY301.
Sincerely

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3 october 2023 at 7:54 edit
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gronkjear gronkjear Customer support • 6 october 2023 at 15:31 •replymtbiker_obchod827
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SK Dobry den prajem,

ano, jedna sa o rovnaky standard uchytenia - stvorhran - kluky mozete pouzit.

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6 october 2023 at 15:31
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Grigorij Grigorij • 26 July 2022 at 13:55
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Variant FORCE C 8.5 kľuky, 170 mm, 3x8, 48/38/28T, štvorhran, s krytom

What exactly does the designation: C8.5 mean?

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26 July 2022 at 13:55
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gronkjear gronkjear Customer support • 26 July 2022 at 16:53 •replyGrigorij
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SK Dobrý deň,

je to len označenie tohto modelu, ktoré využíva výrobca kľúk Force - https://www.force.bike/kliky-force-c8-5-al-48-38-28z-kryt-170mm-cerne/.

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26 July 2022 at 16:53
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FORCE
3-chainring FORCE
FORCE is a Czech brand that has been producing cycling products such as components, accessories and clothing since 1991. The brand is known for its excellent ratio of quality and price, which is why it is among the most popular. It supports and sponsors several local and world cycling teams, even their logo can be seen at World Tour races.
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