Good morning, I have a question is this sidluxe ultimate 3p from the offer also fits the BMC fourstroke lt or only the standard BMC fourstroke?

Name: RockShox SIDLuxeUltimate 3P Remote Backside amortyzator, 190x45 mm, do BMC Fourstroke
Brand: RockShox
Price: 2499 PLN
Availability: OutOfstock

Question

gronkjear · Accepted Answer

Hello, no, LT frames uses 185x55 mm shock size according to the BMC specs.

Marmarc · Answer

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Marmarc · Answer

To nieprawda. Kupiłem mojego Fourstroke"a LT z Sidluxe Select+ w Mtbiker i miał skok 190/45 mm. Oczywiście mówimy o BMC Fourstroke LT z 2023 roku.

gronkjear · Answer

Hi Marcin, thanks for your reply!
I double-checked the specs, BMC is quite unclear in shock sizes :/ However, there was a slight change in kinematics for 2021 Fourstroke - these models used 190x50 mm size, 2023+ Fourstroke used 190x45 mm maintaining the same 100 mm travel.
And you are right, LT variants should use 190×55 mm shocks across years.

Edit 07/2024 - current versions of the LT frame is equipped with 190x45 mm shock.

gronkjear · Answer

Thanks, let me check directly with BMC - as I mentioned before, it's currently not stated anywhere in the specs, I'll come back to you as soon as I will have confirmed info.
I really appreciate your feedback.

Marmarc · Answer

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gronkjear · Answer

Hello, Yes, I can confirm that you were right - the current version (same as yours) of the LT frame is really combined with 190x45 mm shock. Sorry for the inaccurate info.