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Search: Posts Made By: sch
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07-18-22, 03:32 PM
Replies: 42
Views: 1,634
Posted By sch

I had one class in a spin class at the YMCA...

I had one class in a spin class at the YMCA perhaps 10 yrs ago. The bikes then, had a flywheel with a friction belt that
the rider could tighten to whatever resistance desired. At the end of the...
06-17-22, 09:27 AM
Replies: 5
Views: 192
Posted By sch

IME (3 episodes of a derailler malfunction) all...

IME (3 episodes of a derailler malfunction) all were due to cable problems: two for apparently good plugins of cable ends
that were not, it turned out that there are two 'pops' or 'clicks' when...
03-29-22, 12:02 PM
Replies: 34
Views: 673
Posted By sch

Google cable end crimps for sources, same on...

Google cable end crimps for sources, same on amazon as well. Note different sizes for derailler versus brake cables.
Or any bike shop .....


I bought 100 stainless SHCS in 5Mx0.8 20 yrs ago from...
02-23-22, 03:34 PM
Replies: 26
Views: 1,196
Posted By sch

46/36 was aimed at gravel riders with 200-300+...

46/36 was aimed at gravel riders with 200-300+ watts of power. Shimano realized not everyone met that criteria hence
the GRX series with 46/31 and 48/32 cranks for those of us with more modest...
01-06-22, 09:40 AM
Replies: 9
Views: 489
Posted By sch

Brake cleaner is basically more volatile...

Brake cleaner is basically more volatile gasoline, consisting of C6/C7 alkanes where gasoline is C7/C8 alkanes so it works
well as a degreaser but should NOT be used indoors or near any ignition...
11-25-21, 12:17 PM
Replies: 17
Views: 507
Posted By sch

Ditto, really shocked when I realized that...

Ditto, really shocked when I realized that Speedplay sold out to Wahoo which promptly discontinued
all pedals except the newest road racing pedal. So my four pairs of Frogs bought in the 2001-5...
11-13-21, 12:14 PM
Replies: 31
Views: 2,845
Posted By sch

As they say, build up and longevity are a...

As they say, build up and longevity are a feature, not a bug, Boeshield's primary purpose is as a
corrosion preventative, not a lubricant, though it does lube well. A review of the marine...
11-02-21, 04:33 PM
Replies: 62
Views: 3,263
Posted By sch

As above, the mind boggles, it would take...

As above, the mind boggles, it would take incredible persistence and determination, to say nothing of the torque needed
after 2-3 turns and a strange blindness to the bits of aluminum falling out of...
11-01-21, 09:00 PM
Replies: 15
Views: 813
Posted By sch

Books can be a bit dicey if your bike is only 2-3...

Books can be a bit dicey if your bike is only 2-3 yrs old as book may not cover some of the strange bits of tech
the manufacturers and frame builders come up with.
OTOH www.parktool.com/repair-help...
10-30-21, 08:38 AM
Replies: 13
Views: 4,552
Posted By sch

No experience with tubeless, much less your...

No experience with tubeless, much less your combo, but if it is this much trouble fully equipped at an LBS then think
what might happen if you flat out in the boonies with dodgy cell coverage....
10-26-21, 08:50 PM
Replies: 5
Views: 468
Posted By sch

No reason why the OP couldn't find a worn out 9...

No reason why the OP couldn't find a worn out 9 spd cassette and use the spacers with the 11 spd cogs to make his
own cassette. You generally have to dredge through the bottom end cassettes to...
10-15-21, 06:31 AM
Replies: 51
Views: 2,399
Posted By sch

Here is the OEM BB:...

Here is the OEM BB: https://www.trekbikes.com/us/en_US/equipment/cycling-components/bike-bottom-brackets/-vp-components-square-taper-bottom-bracket/p/1040693/
which at $12 is about half the price of...
10-13-21, 09:50 AM
Replies: 35
Views: 1,785
Posted By sch

Functionally the frame should be and almost...

Functionally the frame should be and almost certainly is fine. Cosmetically this is like your new to you
2019 car that just had a beer can size dent put in the door. My attitude would depend a...
10-09-21, 05:58 AM
Replies: 8
Views: 454
Posted By sch

Harder than usual, but a better word is...

Harder than usual, but a better word is toughened, should be no problem for the really hardened tap to clean out
buggered threads. A dollop of oil is a good idea when using the tap.
10-06-21, 05:52 PM
Replies: 16
Views: 881
Posted By sch

well, 7 spd is a different animal than 8 spd so...

well, 7 spd is a different animal than 8 spd so further upgrade options are more limited but not closed out.
see: https://sheldonbrown.com/k7.html#bodycompat for some further info and discussion....
08-11-21, 08:51 AM
Replies: 22
Views: 1,842
Posted By sch

Agree with 'best do nothing' approach but with...

Agree with 'best do nothing' approach but with the proviso that the dent has not affected the wheel angle in the frame.
A google on checking frame alignment will give some simple tests to assess...
08-01-21, 09:46 PM
Replies: 3
Views: 764
Posted By sch

If you have the seatpost, seems like some inside...

If you have the seatpost, seems like some inside measurements could be made to give outer limits
for the cylinder size and the battery diameter will give you the ID. Then the thread form obtained...
07-28-21, 09:21 PM
Replies: 19
Views: 906
Posted By sch

Could you have bottomed out the crank against the...

Could you have bottomed out the crank against the BB shell or the cup? Phil BB are adjustable R<->L and the
spindle may be a bit too far to L. Also which crank and which BB are you using,...
07-04-21, 11:08 AM
Replies: 27
Views: 2,965
Posted By sch

At mcmastercarr a search on elastomer springs...

At mcmastercarr a search on elastomer springs brings up: https://www.mcmaster.com/elastomeric-die-springs/
and it looks like one in the 'high load' section designed for 300-400# loads might be a...
07-02-21, 08:57 AM
Replies: 23
Views: 1,343
Posted By sch

Plastic seals are easily removed and usually...

Plastic seals are easily removed and usually replaceable after cleaning and lubing the bearing. Metal seals are removable but
not nondestructively so replacing is difficult, main option is to...
06-27-21, 09:34 PM
Replies: 6
Views: 759
Posted By sch

Another option, which I did on my first pair of...

Another option, which I did on my first pair of now discontinued Speedplay Frogs, is to drill a 1/16 or 3/32"
hole through the center of the plastic and use a "needle" injector to inject grease...
06-24-21, 09:11 PM
Replies: 21
Views: 1,020
Posted By sch

Looked at Biketiresdirect and noted that the...

Looked at Biketiresdirect and noted that the HG800 11-34 cassette is a nominal 50% higher than pre covid prices, must
be a lot of Shimano containers floating around off LA or sitting on the docks....
06-04-21, 12:50 PM
Replies: 18
Views: 1,814
Posted By sch

Thanks for the memory, my first 'good' bike was...

Thanks for the memory, my first 'good' bike was a 3 spd Hercules, a Christmas present when I was 12 in the mid
1950s. Rode that all over the local area into jr high school, it was my main...
06-04-21, 11:14 AM
Replies: 13
Views: 1,102
Posted By sch

VICE 1)immoral or evil practice 2) designator for...

VICE 1)immoral or evil practice 2) designator for second or assistant in charge
VISE 1) mechanical gripping device

:)
05-26-21, 10:00 AM
Replies: 3
Views: 420
Posted By sch

A brief google suggests that IF your present...

A brief google suggests that IF your present sealed bearing is a 26x10x8 mm size then there exists a 9mm ID version
If any other size, this is less likely. Bicycle grade bearings in these size...
05-23-21, 12:36 PM
Replies: 7
Views: 626
Posted By sch

Most likely everything is press fit into place. ...

Most likely everything is press fit into place. You need to devise a method of applying pressure to the part you
want to remove, in this case the threaded cylindrical nut. You could use the axle...
05-15-21, 12:20 PM
Replies: 12
Views: 563
Posted By sch

From your final set of pix, the DS looks fine to...

From your final set of pix, the DS looks fine to me. The NDS also looks ok with the few threads showing not a matter of
concern. Cross threading will always occur within the first 1-2 threads and...
04-17-21, 08:59 AM
Replies: 5
Views: 653
Posted By sch

34t works fine on my GS Di2 RD and also on my GS...

34t works fine on my GS Di2 RD and also on my GS 7000 RD. IIRC GS is medium length cage
designation.
02-16-21, 09:51 AM
Replies: 6
Views: 411
Posted By sch

Looking at the center of the rotors, they clearly...

Looking at the center of the rotors, they clearly mount differently with the bottom coarsely splined a la cassette
type splines and the top with a finer sawtooth mount. So the hub disc mount would...
02-16-21, 09:48 AM
Replies: 9
Views: 633
Posted By sch

Consider using loktite on the set screw to better...

Consider using loktite on the set screw to better secure it in place before reassembly, just a bit
not slathered. Presume the set screw is for a hub with sealed bearings?
02-14-21, 03:18 PM
Replies: 29
Views: 1,513
Posted By sch

You realize a fairly athletic youthful human is...

You realize a fairly athletic youthful human is good for maybe 200-250 watts to the pedals for maybe an hour or two?
Pro level outputs are on the order of 400+ watts for 30-60 minutes at the top...
02-04-21, 10:49 AM
Replies: 8
Views: 708
Posted By sch

Timing chains last 3-5x as long as the derailler...

Timing chains last 3-5x as long as the derailler chain on a tandem. It does not matter what kind of chain you
use. 5-6spd chains are fine but 8-9spd are also fine as are 10 or 11 spd chains. The...
01-30-21, 03:37 PM
Replies: 23
Views: 1,293
Posted By sch

Been using innominata, 3M and a few Harbor...

Been using innominata, 3M and a few Harbor Freight kit zips for 25 yrs on my bikes. Never had a failure yet. I use white
on my Ti or natural Al parts and black on the black bike. With cable changes...
01-19-21, 08:44 AM
Replies: 13
Views: 1,528
Posted By sch

I once dealt with a frame with no brazed on...

I once dealt with a frame with no brazed on bosses and when the OEM clampon shifters on the DT were replaced with 8 spd variants
in the late '90s I found it expedient to drill a small hole on the...
12-30-20, 09:40 PM
Replies: 63
Views: 10,069
Posted By sch

KMC is a Taiwanese company that extensively...

KMC is a Taiwanese company that extensively manufactures in China so provenance is correct. As to fakes on Taobao, guaranteed, as it is an omnium
compendium chinese outlet. So is the chain a fake?...
12-12-20, 11:38 AM
Replies: 11
Views: 1,183
Posted By sch

If you had access to a MIG welder or a friend...

If you had access to a MIG welder or a friend with one, weld a slightly smaller nut to the stripped nut and
use a wrench to get it off. Replacement "T" nuts are available for this type mount....
11-19-20, 01:39 PM
Replies: 78
Views: 10,648
Posted By sch

A followup report after ~1000 or so miles of...

A followup report after ~1000 or so miles of riding would be appreciated. Thanks very much for the well documented repair.
I would have no real concerns about riding the frame with provisos that...
11-16-20, 10:01 PM
Replies: 3
Views: 1,278
Posted By sch

Cable is standard generic shifter cable, of which...

Cable is standard generic shifter cable, of which 98% are the same diameter. Stainless is the best choice as it is
not much more expensive than galvanized and coated cables tend to lose their...
11-09-20, 07:06 AM
Replies: 6
Views: 515
Posted By sch

My experience with using my surfeit of 10 spd KMC...

My experience with using my surfeit of 10 spd KMC or SRAM chains on 3 different bikes with 11 spd cassettes is that
they work fine. The deraillers and cassettes/CW seem unaware of the difference. ...
10-30-20, 09:06 AM
Replies: 25
Views: 1,309
Posted By sch

One place to start is here:...

One place to start is here: https://www.parktool.com/blog/repair-help?query=&area%5B%5D=153809
You can also do a search on youtube for how to adjust/bleed bicycle disk brakes.
You can also search...
10-26-20, 10:06 PM
Replies: 24
Views: 1,962
Posted By sch

That looks like a significant % of the thickness...

That looks like a significant % of the thickness of the steel is now converted to rust judging from the
bubbled paint, and the hole in the tube suggests that the inside is also rusting as well. ...
10-17-20, 02:04 PM
Replies: 66
Views: 4,544
Posted By sch

Thanks for the followup, but do let us know if...

Thanks for the followup, but do let us know if the repair fails or if it is still repaired in 6 or 12 months. Welding AL tubing 1/16" thick takes some experience
and sleeving it or adding a gusset...
10-13-20, 08:42 PM
Replies: 54
Views: 5,687
Posted By sch

My standing is limited to crotch rest when...

My standing is limited to crotch rest when needed, mostly not but some rides more than others. Standing does a number on my
quads and since revising my two road bikes gearing, one with 34/32 low...
10-09-20, 08:56 PM
Replies: 14
Views: 1,298
Posted By sch

To reiterate, the etube software has to be...

To reiterate, the etube software has to be "disconnected" in software as well as hardware and in the
proper way or the system will not function. On the one occasion my LBS, who does tandem refits...
10-03-20, 08:13 AM
Replies: 5
Views: 456
Posted By sch

Might help to know which Di2 RD you have so the...

Might help to know which Di2 RD you have so the ref to the bolt is easier to find. Also 'bolt broken' : does that
mean the bolt snapped off, or screw head not drivable with standard tool or...
09-23-20, 09:01 AM
Replies: 5
Views: 1,288
Posted By sch

My 11-32 cassette also makes different noises...

My 11-32 cassette also makes different noises when up or down shifting at different places in the cassette on
my Di2 bike. How much torque is on the system also alters the noise level. Some shifts...
09-19-20, 03:08 PM
Replies: 9
Views: 709
Posted By sch

Since the front wheel is the usual reference...

Since the front wheel is the usual reference point for handlebar alignment, I would think the bars are more
likely to be off. If the wheel is ok in the fork it will point in the same direction if...
09-19-20, 01:32 PM
Replies: 25
Views: 2,486
Posted By sch

Most commonly available acids will remove rust....

Most commonly available acids will remove rust. Cola is a dilute phosphoric acid solution and may create some iron phosphate
but this is not likely to last in chain use. Main problem is you must...
08-29-20, 04:01 PM
Replies: 10
Views: 774
Posted By sch

The HG 800 and HG 700 (nearly the same Ultegra vs...

The HG 800 and HG 700 (nearly the same Ultegra vs 105) are oddities in that they are 11 spd cassettes designed
to fit on 8-9-10 speed freehubs. They are shipped with the spacer needed if used on an...
08-19-20, 12:15 PM
Replies: 17
Views: 599
Posted By sch

Absent a bike DIY or CO-OP one source for cheap...

Absent a bike DIY or CO-OP one source for cheap apparently quality wheels is...
Showing results 1 to 50 of 92
 


 
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