Crestline RS 181.2 thread – builds, reviews, technical info
- Thread starter BikeBert
- Start date
The boost issues sound odd, today will be my maiden voyage if time allows so I am unsure if I have this issue or not.
I am in the office but trying to look into it now without the bike so I am unable to test or confirm stuff.
However I noticed on their "Assist Modes" video a note saying Boost mode needs to be enabled on some models in the "Custom Assist Modes" setting:
Then it briefly talks about a "boost local enhancement" setting, which seems to align with the mode you are in, eg. if it's off you get nothing. Maybe if this is disabled you get the full boost regardles of mode?
Looks like the button to "activate boost" is there as well. I would try the settings below to see if anything changes, and even try the "Reset Boost mode" to see if this wakes things up.
The last try maybe to create a custom assist mode with full boost.. wish I had the bike here, hope this helps!
I am in the office but trying to look into it now without the bike so I am unable to test or confirm stuff.
However I noticed on their "Assist Modes" video a note saying Boost mode needs to be enabled on some models in the "Custom Assist Modes" setting:
Then it briefly talks about a "boost local enhancement" setting, which seems to align with the mode you are in, eg. if it's off you get nothing. Maybe if this is disabled you get the full boost regardles of mode?
Looks like the button to "activate boost" is there as well. I would try the settings below to see if anything changes, and even try the "Reset Boost mode" to see if this wakes things up.
The last try maybe to create a custom assist mode with full boost.. wish I had the bike here, hope this helps!
Has to be a set up issue ,surely,keep us postedThe boost issues sound odd, today will be my maiden voyage if time allows so I am unsure if I have this issue or not.
I am in the office but trying to look into it now without the bike so I am unable to test or confirm stuff.
However I noticed on their "Assist Modes" video a note saying Boost mode needs to be enabled on some models in the "Custom Assist Modes" setting:
View attachment 182844
Then it briefly talks about a "boost local enhancement" setting, which seems to align with the mode you are in, eg. if it's off you get nothing. Maybe if this is disabled you get the full boost regardles of mode?
Looks like the button to "activate boost" is there as well. I would try the settings below to see if anything changes, and even try the "Reset Boost mode" to see if this wakes things up.
View attachment 182843
The last try maybe to create a custom assist mode with full boost.. wish I had the bike here, hope this helps!
I may be wrong, but it looks like a spare I’ve gotten with one up guides. If it’s that, it’s on the back side.
The boost issues sound odd, today will be my maiden voyage if time allows so I am unsure if I have this issue or not.
I am in the office but trying to look into it now without the bike so I am unable to test or confirm stuff.
However I noticed on their "Assist Modes" video a note saying Boost mode needs to be enabled on some models in the "Custom Assist Modes" setting:
View attachment 182844
Then it briefly talks about a "boost local enhancement" setting, which seems to align with the mode you are in, eg. if it's off you get nothing. Maybe if this is disabled you get the full boost regardles of mode?
Looks like the button to "activate boost" is there as well. I would try the settings below to see if anything changes, and even try the "Reset Boost mode" to see if this wakes things up.
View attachment 182843
The last try maybe to create a custom assist mode with full boost.. wish I had the bike here, hope this helps!
Any use ?
I looked at this last night and found it not useful. I’ve only tried boost on my street, not riding up hill. I’ve tried it with that enhancement both ways.
No perceivable boost yet.
Someone must know!!
Heckler Sb130
Member
Anyone know how to confirm dropout specs? 29” or 27.5”, 450, 455 etc. I don’t see any markings. Are they marked on the area hidden against the frame once installed? Anyway to confirm frame size?
JJ503
Member
My dropouts are marked on the inside. The brake adapter is also marked, as it is specific to the dropout.
Curious if you tried the "Reset Boost Mode" function?
Thanks for posting. I tried it with and without local, and reset it as well. I was poking around and got a device update when I connected my phone today so I will test it again in a little bit.
I’ve been looking all over for the markings and haven’t found anything yet. Can you be more specific-if you remember the spot where they are printed on?
there is also a maintenance setting that disables a lot of functions. I'd look into that too
I wonder if every m2s bike owner is having this problem?
not me. mine is working as it should. I had to turn on Boost mode first though.
Yet to ride mine,next week!!!
How does boost mode work power wise if your already in turbo mode ?
JJ503
Member
N19EGT
Member
Mines coming to the UK without a battery.
Makes sense why I can’t see them now. lol. Thanks!
The display cable has non removable plugs on both ends. That and the flexy cable would make almost impossible to go through the top tube. It’s just too tight to make it go through the bends that it needs to. That’s why, as I’ve already posted twice about in this same thread, if you have 3 or 4 cables, I would suggest the brake and shifter cables go through the top tube and the display and dropper go through the down tube. This is much cleaner and easier to take the battery in and out.
Whatever battery you ordered it with.
Bigalfittycal
New Member
- Apr 21, 2026
- 11
- 5
I ordered the complete bike and I wasn’t given an optionWhatever battery you ordered it with.
Ekim
Member
This bike checks all the boxes for me.
I tried everything.
Went for my first ride today and no boost. Tried all the options over and over. Just feels like the motor goes off.
Has any one checked the larger forum at large for advice? Maybe I will.
John_likes_bikes
Well-known member
Anyone with both a Spectre and Plaid... is the bash guard the same material?
Someone reported that the new motor guards are made of less rigid plastic and seemed like they will survive hits better
Everything means you updated your firmware as well?
What about raising the torque/watts limits to the max per the mode you are in while attempting to boost?
..Thinking maybe something to do with local boost enhancement which I dont fully understand just yet to be honest.
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