My FSIR Spin 5
#26
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Thread Starter
Change log
- Reinstalled Schwalbe Marathon Supreme 42-406 tires
Wanna squeeze some last milage out of this discontinued classic touring tire, veterans and flawless performers from my tour in Taiwan, first tour of South Korea and a couple of tours of Bali.
- Reinstalled Ergon GP3 grips
Ditto.
- Reinstalled WTB Pure saddle
Cuz Black is the new White
![](https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/1340x2000/img_20240120_064612_cade482e8187747df823f67dafea4d94db5ee939.jpg)
Front, 30psi
![](https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/1340x2000/img_20240120_065342_3227fd5f068a04454022345b37113169e83d9856.jpg)
Rear, 40psi
![](https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20240120_134117_34330bbe9d4b2a1f7ed4b5fc168b75f49eec125c.jpg)
![](https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20240120_100153_2978eb13e04407a6a5c80bcef241ccab4c30f91e.jpg)
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Tengkulak
![](https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20240120_164904_5520baab897904c7eb2810b5fdb67a44ae40aa7a.jpg)
Sukawati
![](https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1449/img_20240121_173713_1__9e75ee842d182d4942af46e576dbc06d88e22282.jpg)
Payangan
Last edited by Ron Damon; 04-15-24 at 04:39 PM.
#27
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Thread Starter
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The Flag, Sukarno and Pig
Last edited by Ron Damon; 02-17-24 at 08:02 PM.
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#28
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Lowest RD position
![](https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/1500x2000/img_20240317_070123_a5d0a51d13f78b07ec368951e7825f4300ebacf4.jpg)
~4.5cm with 42-406 tire
Last edited by Ron Damon; 03-16-24 at 05:02 PM.
#30
Please pardon my ignorance on newer systems; There appears to be an additional pivot point just aft of the rear derailleur mount (versus older traditional RDs); Is that a "clutch" that I've heard of on newer RDs, especially for large 1X cassettes?
Also, I sure don't grasp why so many 1X cassettes, are all silver color plating, but the largest cog is black. Is this like semi-auto pistols with a black slide over a chromed frame? I don't see the aesthetic appeal, and I can't think of a functional one.
Also, I sure don't grasp why so many 1X cassettes, are all silver color plating, but the largest cog is black. Is this like semi-auto pistols with a black slide over a chromed frame? I don't see the aesthetic appeal, and I can't think of a functional one.
Last edited by Duragrouch; 02-18-24 at 05:32 AM.
#31
Senior Member
Thread Starter
Please pardon my ignorance on newer systems; There appears to be an additional pivot point just aft of the rear derailleur mount (versus older traditional RDs); Is that a "clutch" that I've heard of on newer RDs, especially for large 1X cassettes?
Also, I sure don't grasp why so many 1X cassettes, are all silver color plating, but the largest cog is black. Is this like semi-auto pistols with a black slide over a chromed frame? I don't see the aesthetic appeal, and I can't think of a functional one.
Also, I sure don't grasp why so many 1X cassettes, are all silver color plating, but the largest cog is black. Is this like semi-auto pistols with a black slide over a chromed frame? I don't see the aesthetic appeal, and I can't think of a functional one.
The clutch, here in the off position, is indicated by the red arrow.
![](https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/1500x2000/img_20240218_193645_055750fbafb4579c08872db5108e4551565840f8.jpg)
On some cogsets, like this Shimano CS-HG500 part, the inner-most, dark grey cogs are made of aluminum rather than steel to reduce weight. This part weighs about 430g while the all-steel CS-M4100 part weighs north of 500g.
![](https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x2000/img_20231126_181536_e9fed5ad20155070f376ef9332fe797e66c5cd2b.jpg)
11-42T, one alloy cog
![](https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20231106_160840_020b67a400cb961bc8b9e9ee8ad27b2b19c19d65.jpg)
11-46T, two alloy cogs
Last edited by Ron Damon; 02-27-24 at 05:41 PM.
#32
(above) Excellent explanations, thank you!
The clutch location, makes sense from what I've read. I had thought it somehow was a different geometry or pulled the derailleur back when needed to help on 1Xs, but that's the function of the B-screw.
Aluminum low cog, makes complete sense. More difficult to plate I think, although nickel or chrome plating would be of more benefit in wear than on steel, though not as critical for corrosion as with steel, if using a proper aluminum alloy. It may be hard-anodized, aluminum oxide is hard.
The clutch location, makes sense from what I've read. I had thought it somehow was a different geometry or pulled the derailleur back when needed to help on 1Xs, but that's the function of the B-screw.
Aluminum low cog, makes complete sense. More difficult to plate I think, although nickel or chrome plating would be of more benefit in wear than on steel, though not as critical for corrosion as with steel, if using a proper aluminum alloy. It may be hard-anodized, aluminum oxide is hard.
#33
Schwinnasaur
(above) Aluminum low cog, makes complete sense. More difficult to plate I think, although nickel or chrome plating would be of more benefit in wear than on steel, though not as critical for corrosion as with steel, if using a proper aluminum alloy. It may be hard-anodized, aluminum oxide is hard.
#34
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#38
Senior Member
Thread Starter
Back in business
- Broken spoke & rim tape replaced
- Spoke tension checked & wheel trued
- Spare spokes in drive and non drive side sizes purchased
![](https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x2000/img_20240302_114754_08c28e984da32f91eb1e15be7847cd35e24140ca.jpg)
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#39
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#40
Senior Member
Thread Starter
Change log
- Installed a new Schwalbe Marathon Supreme 42-406 tire in the rear.
- Installed new brake pads in the rear
![](https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_20240316_205030_3b171aea926130a75bb1b8a5ce0cd0097848308a.jpg)
#41
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And it's not even 10AM.
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#42
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