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#1
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Ti frame's Chain Stay is too wide.
Hi,
I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? |
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#2
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Ti frame's Chain Stay is too wide.
On Wednesday, May 9, 2012 8:28:51 AM UTC+10, Kuzmin Ski Technology AB SkiTech wrote:
Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? I would not intentionally dent the frame. What bottom bracket and crank was the frame designed for? -- JS. |
#3
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Ti frame's Chain Stay is too wide.
On May 8, 6:28*pm, Kuzmin Ski Technology AB SkiTech
wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? hitting things with a hammer always makes it work better |
#4
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Ti frame's Chain Stay is too wide.
On May 9, 4:57*am, James wrote:
On Wednesday, May 9, 2012 8:28:51 AM UTC+10, Kuzmin Ski Technology AB SkiTech wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? I would not intentionally dent the frame. *What bottom bracket and crank was the frame designed for? -- JS. "What bottom bracket and crank was the frame designed for?" - Sorry, I do not know it. I try to mount with Shimano BB6700 Bottom Bracket. |
#5
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Ti frame's Chain Stay is too wide.
On May 9, 5:36*am, John B. wrote:
On Tue, 8 May 2012 15:28:51 -0700 (PDT), Kuzmin Ski Technology AB SkiTech wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? You don't mention the bottom bracket. If the one piece, shaft and bearings, type buy one with a longer shaft. If a two piece crank then use another spacer under the R.H. bearing. -- John B. It is Shimano BB6700 Bottom Bracket |
#6
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Ti frame's Chain Stay is too wide.
On May 9, 5:36*am, John B. wrote:
On Tue, 8 May 2012 15:28:51 -0700 (PDT), Kuzmin Ski Technology AB SkiTech wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? You don't mention the bottom bracket. If the one piece, shaft and bearings, type buy one with a longer shaft. If a two piece crank then use another spacer under the R.H. bearing. -- John B. It is Shimano BB6700 Bottom Bracket. |
#7
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Ti frame's Chain Stay is too wide.
On 9-5-2012 6:08, raamman wrote:
On May 8, 6:28 pm, Kuzmin Ski Technology AB SkiTech wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? hitting things with a hammer always makes it work better Doesn't work with brushed titanium though, as you can't paint it to match -- /Marten info(apestaartje)m-gineering(punt)nl |
#8
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Ti frame's Chain Stay is too wide.
On May 9, 11:33*am, m-gineering wrote:
On 9-5-2012 6:08, raamman wrote: On May 8, 6:28 pm, Kuzmin Ski Technology AB SkiTech *wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? hitting things with a hammer always makes it work better Doesn't work with brushed titanium though, as you can't paint it to match -- /Marten info(apestaartje)m-gineering(punt)nl Sorry Marten. What does not work? |
#9
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Ti frame's Chain Stay is too wide.
m-gineering writes:
On 9-5-2012 6:08, raamman wrote: On May 8, 6:28 pm, Kuzmin Ski Technology AB SkiTech wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? hitting things with a hammer always makes it work better Doesn't work with brushed titanium though, as you can't paint it to match Those Honjo hammered fenders look nice, why not hammered titanium frames? |
#10
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Ti frame's Chain Stay is too wide.
On 10/05/12 09:44, John B. wrote:
On Wed, 9 May 2012 00:46:33 -0700 (PDT), Kuzmin Ski Technology AB wrote: On May 9, 5:36 am, John wrote: On Tue, 8 May 2012 15:28:51 -0700 (PDT), Kuzmin Ski Technology AB wrote: Hi, I got a nice titanium frame and fork and will build a nice hybrid bike with 28'' wheels: Shimano Ultegra ST-6700 STI 2x10 Dual Control Levers 10-speed Shimano Ultegra FD-6700 Front Derailleur 2x10 10-speed Shimano Ultegra FC-6750 Crankset 2x10-speed Shimano Deore XT RD-T780-SGS Rear Derailleur long 9-speed Shimano Deore XT CS-M771-10 Cassette 10-speed 11-34 Shimano Ultegra CN-6700/6701 Chain 10-speed Tektro RX 5 Mini V-Brake But I got a problem: The chain stay is too wide, and I cannot properly mount the crankset - 50t chainring touches the chain stay. Thus, I need about 4 mm deep dent in the chain stay for proper seat. How I can solve the problem? My own suggestions: 1. Take hammer and make 4 mm deep dent in the chain stay. Probably it is too dangerous for the chain stay (weakening of the stay); 2. To get SRAM Truvativ X9 GXP Crankset 2x10 (extra costs), and mount it instead of Ultegra FC-6750. Chainline of SRAM Truvativ is 6 mm wider. It should be enough; What about my suggestions? You don't mention the bottom bracket. If the one piece, shaft and bearings, type buy one with a longer shaft. If a two piece crank then use another spacer under the R.H. bearing. -- John B. It is Shimano BB6700 Bottom Bracket Sorry. The BB6700 is an external bearing two piece crank and it is possible to shim the right side bearing to move the sprocket out a bit. Whether this is a good thing to do depends on the installation. You can download detailed instructions from Shimano explaining how to set the chain line correctly. It is probably the best bet to start out there. 4mm out? I would be reluctant to just bang away on the chain stay as you could conceivably distort it and the rear axle could end up cocked. I think if it were mine and I couldn't solve the problem another way I'd take the frame to a frame builder, or really good repair shop, and have them press a flat on the chain stay and then check the alignment and correct if necessary. The frame was (hopefully) designed to use at least one type of BB and crank. I'd be trying to find out what that combination was. -- JS. |
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