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Search: Posts Made By: FastJake
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
11-07-23, 09:25 AM
Replies: 14
Views: 2,468
Posted By FastJake

Sorry for bumping this slightly old thread, but...

Sorry for bumping this slightly old thread, but after wearing out my first Rat Trap Pass Extralight I wanted to add my thoughts. It's the best tire I've ever used. The tire below with cords showing...
Forum: Classic and Vintage Bicycles: Whats it Worth? Appraisals.
10-30-22, 08:05 PM
Replies: 20
Views: 10,813
Posted By FastJake

Wow, this really takes me back. I'm surprised the...

Wow, this really takes me back. I'm surprised the pictures still show up.

I ended up selling the bike as pictured (if I remember correctly) for maybe $30 back in 2013. Maybe someone will bump this...
Forum: Bicycle Mechanics
03-09-22, 10:41 PM
Replies: 21
Views: 1,114
Posted By FastJake

Just wipe the threads with a rag before you...

Just wipe the threads with a rag before you grease them to install the bottom bracket.

You cannot possibly have hurt the bottom bracket threads, jeez. I hope all the ridiculous nonsense responses...
Forum: Bicycle Mechanics
02-26-22, 05:10 PM
Replies: 37
Views: 9,187
Posted By FastJake

Please wear a helmet! Breaking a bottom bracket...

Please wear a helmet! Breaking a bottom bracket spindle can cause a bad crash and I wouldn't want you to be a "no brainer".

Titanium is not as strong as steel, and Ti bottom brackets have a...
Forum: Bicycle Mechanics
02-26-22, 05:04 PM
Replies: 10
Views: 464
Posted By FastJake

Assuming you have a 74 B.C.D. for the small ring,...

Assuming you have a 74 B.C.D. for the small ring, replace it with a 24T. Remove the silly 52T ring which you will never, ever need. Unless you plan to pedal your loaded touring bike downhill at 40MPH...
Forum: Bicycle Mechanics
02-22-22, 05:38 PM
Replies: 5
Views: 532
Posted By FastJake

You know that you don't actually have to sand all...

You know that you don't actually have to sand all the paint off, right? You could've just scuffed it up and painted over the original paint.
Forum: Bicycle Mechanics
02-21-22, 08:39 PM
Replies: 30
Views: 3,216
Posted By FastJake

Nomenclature peeing contests aside, any tire that...

Nomenclature peeing contests aside, any tire that will fit into your frame will work on those rims.
Forum: Bicycle Mechanics
02-19-22, 10:34 PM
Replies: 26
Views: 3,270
Posted By FastJake

I always use them. They prevent stuck pedals and...

I always use them. They prevent stuck pedals and fretting damage. To me that is worth a couple grams and millimeter or two of q-factor. Good cranks are recessed for them...
Forum: Bicycle Mechanics
02-19-22, 10:27 PM
Replies: 13
Views: 352
Posted By FastJake

You need a new seatpost. I have never had luck...

You need a new seatpost. I have never had luck making them work after the serrations are ruined.
Forum: Bicycle Mechanics
02-19-22, 10:24 PM
Replies: 26
Views: 1,573
Posted By FastJake

The headset is probably threaded so a big...

The headset is probably threaded so a big adjustable wrench is all you really need. If it's threadless, all you need are Allen wrenches.

Assuming you have the original square taper bottom...
Forum: Bicycle Mechanics
02-16-22, 03:44 PM
Replies: 20
Views: 2,080
Posted By FastJake

The cable guide is just another possible way to...

The cable guide is just another possible way to introduce flex into the system. If you lower the hanger all the way and you can route the housing so it's not kinked, I would get rid of the guide.
...
Forum: Bicycle Mechanics
02-16-22, 01:11 PM
Replies: 15
Views: 1,825
Posted By FastJake

I should clarify my earlier posts by saying that...

I should clarify my earlier posts by saying that I don't know how much extra pad clearance you'll get with those shorter brakes. It will be "some", at least in theory. But will it be enough to notice...
Forum: Bicycle Mechanics
02-15-22, 10:41 PM
Replies: 17
Views: 480
Posted By FastJake

Is this being attached to a round seatstay...

Is this being attached to a round seatstay bridge? If so, you should be using the washers with a curved side to match the bridge and a flat side to match the brake and bolt.

Edit: the washers are...
Forum: Bicycle Mechanics
02-15-22, 12:15 PM
Replies: 15
Views: 647
Posted By FastJake

Special grease is not necessary for headset...

Special grease is not necessary for headset bearings. I use marine grease for pretty much everything on a bicycle. As long as you have mostly grease in the headset, and not mostly dirt/sand/dried...
Forum: Bicycle Mechanics
02-14-22, 09:04 PM
Replies: 6
Views: 745
Posted By FastJake

Dropping two teeth on the chainring isn't going...

Dropping two teeth on the chainring isn't going to meaningfully change anything. Always check chain length if you go bigger, of course.

Sometimes I will leave the chain one link longer than...
Forum: Bicycle Mechanics
02-14-22, 04:54 PM
Replies: 14
Views: 539
Posted By FastJake

Freewheel/cassette wear is difficult to evaluate,...

Freewheel/cassette wear is difficult to evaluate, but a new chain will "skip" across worn teeth.

Your rear derailer pulleys are quite misaligned with the cassette. The hanger and/or derailer...
Forum: Bicycle Mechanics
02-14-22, 01:50 PM
Replies: 4
Views: 254
Posted By FastJake

Yep. It'll work. You'll need to use a 10-speed...

Yep. It'll work. You'll need to use a 10-speed chain, of course.
Forum: Bicycle Mechanics
02-14-22, 01:14 PM
Replies: 11
Views: 708
Posted By FastJake

The chain must be long enough to work in the...

The chain must be long enough to work in the big-big combination. Assuming it was correct before, going four teeth smaller on the big ring means that you might be able to remove one link from the...
Forum: Bicycle Mechanics
02-14-22, 09:45 AM
Replies: 15
Views: 1,825
Posted By FastJake

You'd have to do the geometry yourself, I'm sure...

You'd have to do the geometry yourself, I'm sure it's not a 1:1 ratio. But yes, shorter arms mean you can set the pads further away from the rim without risking bottoming out. This is because the...
Forum: Bicycle Mechanics
02-14-22, 09:22 AM
Replies: 11
Views: 900
Posted By FastJake

If the bike has old 6-speed Campy, changing the...

If the bike has old 6-speed Campy, changing the crank is probably the easiest way to get lower gears. You might even get away with using the same front derailer.

Going larger in the back involves...
Forum: Bicycle Mechanics
02-14-22, 09:19 AM
Replies: 15
Views: 1,825
Posted By FastJake

Probably. V-brake anchor bolts tend not to crush...

Probably. V-brake anchor bolts tend not to crush and mangle the cable like other types of brakes/anchor bolts. Just be careful with the cable and hopefully it wasn't installed by a ham fist.
...
Forum: Bicycle Mechanics
02-13-22, 04:06 PM
Replies: 12
Views: 1,143
Posted By FastJake

Looks correct and the numbers make sense. Rim and...

Looks correct and the numbers make sense. Rim and hub are both 32h, yes? Sorry, that's an obvious question but one that needs asking.

Definitely measure both the rim and hub yourself and confirm...
Forum: Bicycle Mechanics
02-13-22, 04:01 PM
Replies: 11
Views: 900
Posted By FastJake

Is your rear hub already setup for a 9S freewheel...

Is your rear hub already setup for a 9S freewheel (extremely unlikely)? If you re-space the rear axle to make it work, it's a recipe for a bent or broken rear axle. Unless you have one of the very...
Forum: Bicycle Mechanics
02-13-22, 03:37 PM
Replies: 12
Views: 1,143
Posted By FastJake

In case this hasn't been stressed enough: always...

In case this hasn't been stressed enough: always always always measure the hub and rim yourself. Published values are fine to compare to but never rely on them only. I've avoided buying the wrong...
Forum: Bicycle Mechanics
02-13-22, 02:58 PM
Replies: 6
Views: 1,130
Posted By FastJake

Depending on your tolerance for a wide Q, going...

Depending on your tolerance for a wide Q, going even wider to balance it out might be worse than it being uneven. What is the total Q factor now? I'm guessing it is very wide already.
Forum: Bicycle Mechanics
02-13-22, 08:42 AM
Replies: 15
Views: 1,825
Posted By FastJake

Yes, shorter arms means less mechanical...

Yes, shorter arms means less mechanical advantage. This will give you less "braking power" but you'll be able to set the pads further away.

I've only used mini-Vs once but on that bike I had a...
Forum: Bicycle Mechanics
02-12-22, 01:08 PM
Replies: 55
Views: 3,225
Posted By FastJake

Here is the link I wanted to post yesterday but...

Here is the link I wanted to post yesterday but couldn't find it. It describes how we got to where we are today regarding cranks:

https://www.renehersecycles.com/history-of-aluminum-cranks/
Forum: Bicycle Mechanics
02-11-22, 09:06 PM
Replies: 55
Views: 3,225
Posted By FastJake

This is a valid question but the answer is that...

This is a valid question but the answer is that the Rene Herse crank has shown that even three arms are enough, even with a tiny 70mm bolt circle diameter.

The downside to this design is that...
Forum: Bicycle Mechanics
02-11-22, 07:08 PM
Replies: 8
Views: 2,911
Posted By FastJake

Yes, when used in wet weather, rim brakes make...

Yes, when used in wet weather, rim brakes make tan tire sidewalls look grungy. Disc brakes avoid this issue, which is one of the few good things I can say about them...
Forum: Bicycle Mechanics
02-11-22, 12:07 PM
Replies: 25
Views: 797
Posted By FastJake

If you work on bikes regularly, do yourself a...

If you work on bikes regularly, do yourself a favor and buy a box of 100 stainless cables. Years ago I went to the LBS and they wanted $10 for ONE cable. I bought a box of 100 for $100. I don't know...
Forum: Bicycle Mechanics
02-10-22, 02:51 PM
Replies: 78
Views: 10,251
Posted By FastJake

One of my personal friends (not just Some Guy...

One of my personal friends (not just Some Guy online) broke an Ultegra crank. I was shocked as I didn't expect this type of failure from Shimano. It's just one data point, but there it is.

He's...
Forum: Bicycle Mechanics
02-10-22, 01:41 PM
Replies: 25
Views: 1,426
Posted By FastJake

If you have specific gearing preferences,...

If you have specific gearing preferences, consider stepping out of the box of what Shimano (and the other big names) are offering right now. Do they even make cassettes that start with 13T anymore? I...
Forum: Bicycle Mechanics
02-10-22, 01:35 PM
Replies: 32
Views: 1,384
Posted By FastJake

I don't have a favorite tube. But after Bicycle...

I don't have a favorite tube. But after Bicycle Quarterly found thin latex tubes to be measurably faster than butyl, I want to find some... https://www.renehersecycles.com/bq-tire-test-results/
...
Forum: Bicycle Mechanics
02-10-22, 01:15 PM
Replies: 25
Views: 1,426
Posted By FastJake

1) My guess is that they just haven't bothered...

1) My guess is that they just haven't bothered doing it yet, for whatever reason.

2) Ironically it is typically the least experienced riders setting their bikes up with the biggest gears. On the...
Forum: Bicycle Mechanics
02-09-22, 04:02 PM
Replies: 26
Views: 1,613
Posted By FastJake

If you want to re-grease the bearings of your...

If you want to re-grease the bearings of your Chris King headset, they have several instruction manuals online: https://chrisking.com/pages/support
Forum: Bicycle Mechanics
02-08-22, 03:23 PM
Replies: 37
Views: 9,187
Posted By FastJake

Best Value Square Taper Bottom Bracket in 2022?

My go-to used to be the Shimano UN55 which I've had good luck with. But it's apparently discontinued and replaced by the dirt cheap UN300. For ~$15 I can't imagine that one is very good...

Other...
Forum: Bicycle Mechanics
02-08-22, 02:57 PM
Replies: 17
Views: 837
Posted By FastJake

Campy 8 and Shimano 7 (not 8) had the same...

Campy 8 and Shimano 7 (not 8) had the same cassette spacing. This is fine for switching wheels, but the cable pull of the shifters is not even close. Campy pulls a lot more cable.

Campy 8: 3.5mm...
Forum: Bicycle Mechanics
02-08-22, 02:50 PM
Replies: 17
Views: 837
Posted By FastJake

Brifters + cheap beater with Campy don't really...

Brifters + cheap beater with Campy don't really go together, but...

Your best option is probably original Campy 8 speed brifters. As far as I know they were pretty durable and rebuld-able. There...
Forum: Bicycle Mechanics
02-08-22, 02:43 PM
Replies: 8
Views: 2,911
Posted By FastJake

That's because they are the best tires in the...

That's because they are the best tires in the world! Tan sidewalls might have specific qualities on other tires, but at least on the Rene Herse tires they're strictly aesthetic.

"The only...
Forum: Bicycle Mechanics
02-08-22, 01:15 PM
Replies: 6
Views: 384
Posted By FastJake

How wide of a tire can you fit? There are tons of...

How wide of a tire can you fit? There are tons of options in the 1.9" - 2.2" range. Unfortunately it looks like you don't have that much room. Also unfortunately, there aren't many narrow 26" tires...
Forum: Bicycle Mechanics
02-08-22, 12:06 PM
Replies: 15
Views: 3,580
Posted By FastJake

There are various ways to estimate frame...

There are various ways to estimate frame clearance but the only way to be absolutely certain is to mount the tire on the bike. For a road bike a few millimeters is enough, but more is always...
Forum: Bicycle Mechanics
02-08-22, 11:32 AM
Replies: 4
Views: 400
Posted By FastJake

The "fix" is to not use poorly designed frames...

The "fix" is to not use poorly designed frames with full-length housing routed internally and held in place with flimsy plastic clips.

I'd recommend regular brake housing instead of the stiff...
Forum: Bicycle Mechanics
02-08-22, 09:39 AM
Replies: 10
Views: 813
Posted By FastJake

No. I'd be more worried about you damaging the...

No. I'd be more worried about you damaging the threads of the axle/frame, but it doesn't sound like that was a problem.

Without a rear wheel in place, it's possible to crush the rear triangle by...
Forum: Bicycle Mechanics
02-07-22, 03:35 PM
Replies: 15
Views: 448
Posted By FastJake

Even a new hanger needs to be checked. Unless...

Even a new hanger needs to be checked. Unless yours appears damaged I wouldn't bother replacing it. I've found that seemingly small changes to hanger alignment can make a big difference in shifting.
Forum: Bicycle Mechanics
02-07-22, 02:46 PM
Replies: 15
Views: 448
Posted By FastJake

Lots of possibilities. - I've never used a...

Lots of possibilities.
- I've never used a SunRace cassette but I know they're typically cheap. Maybe that shifting ramp is poorly designed?
- Chainline should be measured, not eyeballed. But poor...
Forum: Bicycle Mechanics
02-07-22, 09:22 AM
Replies: 29
Views: 1,239
Posted By FastJake

The first step is figuring out whether you have...

The first step is figuring out whether you have loose ball bearings or cartridge. This is a common problem on loose ball hubs, so assuming you have those, here are two more places to start (in...
Forum: Bicycle Mechanics
02-06-22, 10:26 PM
Replies: 5
Views: 1,886
Posted By FastJake

Are they all in need of replacement? It's very...

Are they all in need of replacement? It's very unlikely the 52T is worn out unless you used a worn out chain for way too long.

I'm not sure if the original rings are available new anymore. You...
Forum: Bicycle Mechanics
02-06-22, 05:30 PM
Replies: 29
Views: 1,121
Posted By FastJake

JFC, "dishing stick" isn't close enough to...

JFC, "dishing stick" isn't close enough to "dishing tool" for you to figure out what it is? When mentioned in the same sentence as truing stand and tensiometer. 25 years :roflmao:

If you are...
Forum: Bicycle Mechanics
02-05-22, 10:42 PM
Replies: 14
Views: 2,951
Posted By FastJake

Yeah, you got it. The cage length determines the...

Yeah, you got it. The cage length determines the spread of gearing the derailer can cope with. So, you could use a long cage on everything. But in many cases you'd have a cage that's longer and...
Forum: Bicycle Mechanics
02-05-22, 08:16 AM
Replies: 14
Views: 2,951
Posted By FastJake

The Wolf Tooth RoadLink allows you to use larger...

The Wolf Tooth RoadLink allows you to use larger cogs. But you will definitely also need a MTB rear derailer to have any hope of using a 42T cog. Be aware that Shimano 10S and 11S MTB rear derailers...
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