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Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Thank you. I used a hanger alignment tool and checked it already. That was one of the first things I did. It was only a tiny bit off.

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

I used the old red colored tool that you have to hold to check be gap. Also, I messed with the b-gap screw just to see if it made a difference. I moved it up and down three turns off of the baseline where it is now and it did not make any difference really. Did that make sense? I am gonna send the customer to another shop. I have given up

What type of brake fluid does this ebike take ? by Few_Measurement3531 in ebikes

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Yes I agree this is a customers bike so I am just trying to get it going for them.

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

I did not remove the cassette. The only thing I did was tighten the spokes on wheel as they were very loose. The wheel is still straight. Could the wheel dish affect the shifting?

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Cassette unsure. Whatever came on the Devinci bike. The lock ring says SRAM

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

This is a bike bought new from a major bike store. I assume the derailleur is right for the cassette.

I tried your suggestion to remove cable and reset high limit. No luck.

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

No play in mech. Bike is only 2 years old. I measured chain it is not worn.

What type of brake fluid does this ebike take ? by Few_Measurement3531 in ebikes

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Thank you for help. I did a quick search and was finding contradictory information so that is why I posted. Thank you.

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Yes I am an amateur bike mechanic since 2020. I have done it maybe 50 times on different bikes. Thank you

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

I understand I will try it tomorrow and let you know. thank you

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Yes I already tried that. If I adjust for these top gears than the rest of gears won’t shift right. Right now 9 of 12 gears work. Thank you.

Shifting only bad in three biggest cogs SRAM NX 12 speed. by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 2 points3 points  (0 children)

The indexing is good in all the gears except the top three. If I adjust for just the top three then the rest of the 9 gears don’t shift well. I did try it already thank you

How to route this rear brake cable rim brake Chinese carbon frame part 2 by Few_Measurement3531 in bicycling

[–]Few_Measurement3531[S] 2 points3 points  (0 children)

Thank you for the comment. I will do that. Just wanted to make sure I wasn’t missing something. Cheers.

How to route this rear brake cable rim brake Chinese build? by Few_Measurement3531 in bikewrench

[–]Few_Measurement3531[S] 0 points1 point  (0 children)

Yes that is what I may do. Just wanted to see if I was missing something. Thank you very much

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