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visits member for 2 years, 10 months
seen Jun 29 '13 at 3:54

Real live bike mechanic.


Jan
18
answered iPhone 4 bike mount recommendations
Jan
13
answered Options for replacing a 7 speed Shimano cassette / chain
Jan
12
answered How can I make a glow bike?
Jan
12
comment Can I use normal grease for a car on the surface of carbon bike?
Where did I mention anything about motorcycle grease? I have in fact, repacked more than a few hubs with an automotive wheel bearing grease, a Valvoline Synthetic Blend, specifically. The axle when spun feels no different than had I used bicycle specific grease, and the wheels spin fine with no noticeable resistance.
Jan
12
comment Will it cause problems if I use components from different series?
Of course Shimano doesn't want you mixing components because it's bad for their bottom line and stating they're incompatible gives their warranty/tech department an out when something goes wrong. Same goes for your local shop, "look, chart right here says incompatible, sorry dude". In real world practice you'd likely have no issues. At some point Shimano even published a "B" cable routing position so you could use an N speed cassette with an N+1 speed shifter: sheldonbrown.com/derailer-adjustment.html#alternate
Jan
12
comment Will it cause problems if I use components from different series?
Technically speaking your are correct in what is probably very minor width differences. However, I used an "8 speed" XT rear derailer with an 8, 9 and 10 speed shifter/chain/cassette before I trashed it and have now switched to a SRAM X9 "10 speed" rear derailer. The XT performed perfectly fine with an 8, 9 and 10 speed shifter/chain/cassette. The 10 speed chain had no problem mating with the teeth of the "8 speed" pulley wheels. The travel range of an 8/9 or 10 speed derailer should be almost exactly the same. Pulley wheels on most mid to high end derailers are all 11T.
Jan
12
answered Where can I buy lugs for a classic roadster frame geometry?
Jan
12
comment Can I use normal grease for a car on the surface of carbon bike?
Park Polylube 1000 and White Lightning Crystal Grease are just as thick as automotive wheel bearing grease.
Jan
12
comment Can I use normal grease for a car on the surface of carbon bike?
Grease is common on bicycles, in headsets, bottom brackets, hubs, seatposts (to prevent them from getting stuck), etc.
Jan
12
awarded  Supporter
Jan
12
comment Can I use normal grease for a car on the surface of carbon bike?
I've repacked many a hub with automotive wheel bearing grease. For mating carbon surfaces you should use carbon paste, this is a grease with microparticles. It provides a grip between the carbon surfaces. For bearings, grease as normal.
Jan
12
comment Will it cause problems if I use components from different series?
Rear derailers are not speed specific. They are only marketed as such. 8, 9 and 10 speed cassettes are almost exactly the same width (within 1 mm). As far as front derailers and cranks go, the difference is negligible. The cage on a 10 speed front derailer may be slightly narrower than a 9 speed. The cable pull ratio is the same. The amount the derailer moves is determined by the shifter, not the derailer (assuming all road or all mtn components, you shouldn't mix a road shifter with a front mtn derailer or vice versa). I doubt OP would have issues.
Jan
10
answered Can you run a standard tyre on a tubeless rim?
Jan
10
answered Alternate mount for Kryptonite U-Lock?
Dec
30
answered How helpful are neon/led lights on the rims, while riding at night?
Dec
29
answered Techniques to increase average cadence for endurance-riding?
Dec
28
answered Speed and the sizes of tires/gears
Dec
27
comment Do tube protectors increase rolling resistance or just add weight?
Excellent, thank you for taking the initiative. 7x was what I heard early on in my shop days. This doesn't eliminate the fact, however, that putting $ into a lighter wheelset instead of components is still a good idea.
Dec
24
answered Kickstands and mountain bikes
Dec
24
answered Kickstand compatible with 2011 TREK Utopia