To be clear, the creaks / groans are coming from the bike (the ones coming from me aren’t fixable).
I’m a big human (6’4” x 250lbs) and whenever I get into a high torque situation the bike starts to complain loudly. I’m on a 2025/2026 norco sight CX with a gen 5 but dealt with similar noises on...
Factory thread locker on those bolts in particular was stupidly stubborn when i was swapping out the recalled seat stays. To the point i stopped and regrouped to make sure they weren’t reverse threaded. SRAM crank bolt level stubborn.
Glad you located the likely creak culprit.
In a roundabout...
Had a transmission deraileur brick up with a blinking yellow light last week. No solution, out of warranty, toss in the bin.
All the modularity is a joke. When the sparky parts expire it's a $600 paperweight. Done with electric shifting.
A motor/battery on a bike adds complexity & cost but...
I just made the rather late and obtuse discovery that the OEM chainring is in fact a custom spider to achieve the 52mm chainline + 104BCD bolt on chainring, so replacing the chainring due to wear is solved by getting a replacement 104BCD (just ordered a 5Dev titanium).
I guess I just assumed...
@Greg Watts any idea which aftermarket chainrings can achieve a 52mm chainline on the Bosch CX Gen 5 equipped 2025 Norco Sight VLT CX?
Would it be possible to use a chainring designed for an Avinox motor with some spacers to achieve the correct offset?
Thanks!
Yeah the 55mm DU38 chainring looked about 2-3mm outboard of idler alignment. Not a big deal for overall chain line, but a big deal for an idler, which sits a lot closer.
I think an Avinox chainring with the appropriate spacers might be the ticket. (EDIT: nope, different mounting setup)
I did but we didn't get to the bottom of it.
There's chainline and then there's the actual offset needed to achieve it given the specific motor and where it mounts the chainring.
The OEM chainring says 52mm chainline but it isn't clear which motor it's designed for (Gen 4 vs. Gen 5). I can't...
Let's talk chainrings. There is something going on with the OEM spec that's probably good for folks to be aware of for when they're replacing or upgrading. I'd also like folk's input on this to understand more about the chainring we have and why.
Here's the basic issue:
The Bosch Gen 5 motor...
I for one am looking forward (with urgency even) to a time when something like this is indeed urgent. Until then I'm coming here daily to put my head firmly in this sand (dirt?) to escape the issues of actual urgency that are flooding our world.
And it is not because I don't care, but because I...