DTSwiss R23/24 rebuild, spoke tension
Moderator: robbosmans
I had DTSwiss R23 rear wheel and R24 front wheel. Disc brake, 24 spokes. Rear has DT aero comp spokes 2.0/1.2/2.0. For front, I´m not sure.
I decided to replace the rims with tubular carbon rims, for CX use. So I found/bought rims and let LBS first replace the rear wheel rim. I was not 100% sure, will the existing spokes fit, but they did.
I measured spoke tension before rebuilding and after. Here comes my question.
With Alu rim it was NDS 97-107; DS 146-163.
Now with carbon rim its NDS 50-56; DS 81-107. Is it to low? I think it should be at least the same level as it was with alu rim.
Weight saving wasn´t the goal, but rear wheel is 120g lighter now
I decided to replace the rims with tubular carbon rims, for CX use. So I found/bought rims and let LBS first replace the rear wheel rim. I was not 100% sure, will the existing spokes fit, but they did.
I measured spoke tension before rebuilding and after. Here comes my question.
With Alu rim it was NDS 97-107; DS 146-163.
Now with carbon rim its NDS 50-56; DS 81-107. Is it to low? I think it should be at least the same level as it was with alu rim.
Weight saving wasn´t the goal, but rear wheel is 120g lighter now
"Nothing compares to the simple pleasure of a bike ride"
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The tensionmeter is bit off yes. It gives two different readings on the same spoke. Dishing is correct.
I went back to LBS and he put more tension. Its now almost the same as it was with alu rims. I´m not worried anymore.
The mechanic there has always used his hand and ear as a tensionmeter and its very hard to convince him, that he can trust this cadget. He has it also.
These are chinese rims from carbonal.
Front wheel is now 208g lighter.
Carbon rims are 318+322g. DT rims are 434+522g.
I went back to LBS and he put more tension. Its now almost the same as it was with alu rims. I´m not worried anymore.
The mechanic there has always used his hand and ear as a tensionmeter and its very hard to convince him, that he can trust this cadget. He has it also.
These are chinese rims from carbonal.
Front wheel is now 208g lighter.
Carbon rims are 318+322g. DT rims are 434+522g.
"Nothing compares to the simple pleasure of a bike ride"
I'm thinking of buying one of those tensionometers. How do you use it on bladed spokes? Won't the angle you hold it at cause the reading to vary a lot?
How safe is it to assume that the reading is correct? We all like stiff wheels but going close to the max tension will be a bit nervracking if the tensionometer's readings are doubtful.
How safe is it to assume that the reading is correct? We all like stiff wheels but going close to the max tension will be a bit nervracking if the tensionometer's readings are doubtful.
What tensiometer did you use?
Good is to have calibration tool for tensiometer - otherwise you dont know what is max tension (new PK were no use i have 2 and calibrated them)
Good is to have calibration tool for tensiometer - otherwise you dont know what is max tension (new PK were no use i have 2 and calibrated them)
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www.starbike.com
- WinterRider
- Posts: 564
- Joined: Tue Feb 05, 2013 2:46 pm
"Alu rim it was NDS 97-107; DS 146-163."
All of the spoke nipples I have observed pulling thru rims were tensions at or above 150 kgf. IME 146-163 is too wide a tension variance for a side.
The Park Tension meter requires consistent technique to produce uniform readings.. and periodic adjustment to verify accuracy.
All of the spoke nipples I have observed pulling thru rims were tensions at or above 150 kgf. IME 146-163 is too wide a tension variance for a side.
The Park Tension meter requires consistent technique to produce uniform readings.. and periodic adjustment to verify accuracy.
Litespeed 2000 Appalachian 61 cm
Litespeed 1998 Blue Ridge 61cm
Fitness rider.. 1 yr from seven decades age.
That is my story and I'm stick'n to it.
Litespeed 1998 Blue Ridge 61cm
Fitness rider.. 1 yr from seven decades age.
That is my story and I'm stick'n to it.