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Search: Posts Made By: maddog34
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
03-30-24, 02:31 PM
Replies: 2
Views: 79
Posted By maddog34

gonna need a lot more info on your bikes, rear...

gonna need a lot more info on your bikes, rear hubs, and gearing range choices...

as to the 3x in front, that is also determined by considering additional info.

and it would be best to provide...
Forum: Bicycle Mechanics
03-23-24, 01:32 PM
Replies: 15
Views: 426
Posted By maddog34

i 've found that buying used hubs on Ebay or CL,...

i 've found that buying used hubs on Ebay or CL, then salvaging the cones/seals/jam nuts is cheaper and easier than finding/buying new parts.

there's always a chance that a cone will be bad in the...
Forum: Bicycle Mechanics
03-04-24, 11:58 PM
Replies: 19
Views: 663
Posted By maddog34

The Frame junction is called a "Bottom...

The Frame junction is called a "Bottom Bracket"... the Threaded Case, End Cap, BEARINGS and Crank Axle Assembly is called a Bottom Bracket Bearing Assembly, but we bike folks are sometimes lazy, and...
Forum: Bicycle Mechanics
11-25-23, 05:10 PM
Replies: 18
Views: 609
Posted By maddog34

You gave the same advice i did, and also stated...

You gave the same advice i did, and also stated that you don't know what you say i don't know.
Summation: use the shimano parts that are specific to the series group involved....
and masi61 only...
Forum: Bicycle Mechanics
11-25-23, 02:57 PM
Replies: 2
Views: 329
Posted By maddog34

sounds like you need the caliper piston to "self...

sounds like you need the caliper piston to "self adjust".. i call the technique "Flicking the lever"... also required at times with Magura and other hyd, brakes...
the only thing that retracts the...
Forum: Bicycle Mechanics
11-25-23, 02:37 PM
Replies: 18
Views: 609
Posted By maddog34

Ebay.com search: Bicycle Post mount disc...

Ebay.com

search: Bicycle Post mount disc brake calipers.
Read the descriptions of the calipers in the listings.
if they don't specify fluid types, either ask the seller for more info, or move on...
Forum: Bicycle Mechanics
11-25-23, 02:25 PM
Replies: 6
Views: 838
Posted By maddog34

for future reference.. French Versus English...

for future reference.. French Versus English Threaded Headsets, and others too...

Scroll down to the dimensions chart, get out your calipers, and start finding the facts before buying....
Forum: Bicycle Mechanics
11-25-23, 12:10 AM
Replies: 30
Views: 1,194
Posted By maddog34

so have you determined where the binding is?.....

so have you determined where the binding is?.. Pulley? Cable? Shifter? Derailleur?

don't think or guess.. Find Out. ;)

and trust us... change the cable.... or find out how darn tough it can be...
Forum: Classic and Vintage Sales
11-24-23, 10:33 PM
Replies: 3
Views: 295
Posted By maddog34

like this one? or freewheel type? high or low...

like this one? or freewheel type? high or low flange?...
Forum: Bicycle Mechanics
11-24-23, 06:21 PM
Replies: 40
Views: 1,978
Posted By maddog34

Wheels, tires/TUBES, and a hollowtech (or...

Wheels, tires/TUBES, and a hollowtech (or lighter)crankset (Much higher Weight loss than just rings!), in that order... they are all Rotating Mass and will be felt immediately when riding.

and...
Forum: Bicycle Mechanics
11-24-23, 04:36 PM
Replies: 19
Views: 1,445
Posted By maddog34

remove, clean threads, inside and out, lube,...

remove, clean threads, inside and out, lube, re-torque to spec.
Forum: Bicycle Mechanics
11-24-23, 03:03 PM
Replies: 30
Views: 1,194
Posted By maddog34

after thinking about this.. I've NEVER seen a...

after thinking about this.. I've NEVER seen a Jamis with a pulley in the FD cable line... EVER
then again, i've not seen every jamis model in my rural area, so.....

could you post a pic of the...
Forum: Bicycle Mechanics
11-24-23, 02:51 PM
Replies: 30
Views: 1,194
Posted By maddog34

Change the Cable NOW or regret it.. there's a...

Change the Cable NOW or regret it.. there's a high probability that the Cable is FRAYING inside the Brifter... Change Both shift cables before one of them Breaks in the Brifter and multiplies your...
Forum: Bicycle Mechanics
11-22-23, 05:06 PM
Replies: 10
Views: 563
Posted By maddog34

oooooo, a metric ignition wrench set! Good one!...

oooooo, a metric ignition wrench set! Good one! Any auto parts store has them!
Forum: Bicycle Mechanics
11-22-23, 05:02 PM
Replies: 10
Views: 563
Posted By maddog34

just use a 4" adjustable wrench.... unless you...

just use a 4" adjustable wrench.... unless you expect to see that bike frequently.

also... motorcycle outlets should have a spoke wrench in the correct size... i still have my step-slotted M/C...
Forum: Bicycle Mechanics
11-22-23, 04:52 PM
Replies: 14
Views: 529
Posted By maddog34

burnt commutator surfaces and overheated enamel...

burnt commutator surfaces and overheated enamel in the armature coils/leads are two possible results...
Forum: Bicycle Mechanics
11-22-23, 02:19 AM
Replies: 38
Views: 1,590
Posted By maddog34

interesting... not one mention in this thread of...

interesting... not one mention in this thread of the TABBED WASHER or TABBED brake cable hanger.... they can and do negate the need to use a hooked spanner on the top cup...or nut.. or whatever...
Forum: Bicycle Mechanics
11-22-23, 01:23 AM
Replies: 14
Views: 529
Posted By maddog34

for the greater good......

for the greater good... https://www.trekbikes.com/us/en_US/bikes/hybrid-bikes/electric-hybrid-bikes/allant/allant-9-9s/p/30258/
(and Yes.. i know the pic is of a Chain driven bike, but the other...
Forum: Bicycle Mechanics
11-22-23, 01:11 AM
Replies: 14
Views: 529
Posted By maddog34

with or without e-power flowing? are you...

with or without e-power flowing?
are you standing on the pedal waiting for gravity to make the bike move, or JUMPING downward onto the pedal like a ninja doing a death stomp to the chest?

i creak...
Forum: Bicycle Mechanics
11-21-23, 08:51 PM
Replies: 14
Views: 529
Posted By maddog34

quit starting out in high gear.

quit starting out in high gear.
Forum: Bicycle Mechanics
11-21-23, 04:00 PM
Replies: 42
Views: 2,147
Posted By maddog34

The square taper crank bolts are 8 x 1.25mm...

The square taper crank bolts are 8 x 1.25mm threads.... whether they are internal or external.
Forum: Bicycle Mechanics
11-21-23, 03:48 PM
Replies: 42
Views: 2,147
Posted By maddog34

i "rattle gun" shimano splined freewheels loose...

i "rattle gun" shimano splined freewheels loose regularly...birrRip! off they come... no sweat, no bench vice, no strained tendons...
let the freewheel spin to a stop on it's own.... ;)
Forum: Bicycle Mechanics
11-21-23, 02:13 PM
Replies: 38
Views: 1,590
Posted By maddog34

put tape on those black locknuts to protect the...

put tape on those black locknuts to protect the finish...

a quick search and the 5th option opened presents......
Forum: Bicycle Mechanics
11-21-23, 01:55 PM
Replies: 8
Views: 380
Posted By maddog34

ahh... i was not considering your lack of...

ahh... i was not considering your lack of mechanical prowess... my apologies.

Take it to a competent mechanic before you screw things up worse.
A Co-Op will help YOU reassemble it correctly, and...
Forum: Bicycle Mechanics
11-20-23, 07:05 PM
Replies: 82
Views: 2,588
Posted By maddog34

i use my large flat blade screwdriver for that...

i use my large flat blade screwdriver for that task... it rarely gets used as a screwdriver, and is heavily worn.

last time i used a cone wrench was yesterday,,, on a too-tight front axle reset....
Forum: Bicycle Mechanics
11-20-23, 07:01 PM
Replies: 82
Views: 2,588
Posted By maddog34

and yet, here you are... asking how to get more...

and yet, here you are... asking how to get more speed out of a slow bike.... and competing.
don't knock a CX bike until you've tried one. they come in flat bar and drop bar versions.
Forum: Bicycle Mechanics
11-20-23, 06:59 PM
Replies: 82
Views: 2,588
Posted By maddog34

strangely., you have posted the most...

strangely., you have posted the most times........ :innocent:
Forum: Bicycle Mechanics
11-20-23, 06:24 PM
Replies: 82
Views: 2,588
Posted By maddog34

from your use description, you'd probably be...

from your use description, you'd probably be happier on a CX/ Gravel bike... with taller front gearing and no suspension fork.. those lower end forks that your Giant was fitted with are HEAVY and eat...
Forum: Bicycle Mechanics
11-20-23, 04:04 PM
Replies: 82
Views: 2,588
Posted By maddog34

.. the next post may be Bgdv1 wanting to know how...

.. the next post may be Bgdv1 wanting to know how to put his now disassembled Freewheel back together..... or someone finally recommending a three ring crankset with 42-32-22 gearing, a longer chain,...
Forum: Bicycle Mechanics
11-20-23, 02:25 PM
Replies: 20
Views: 778
Posted By maddog34

BEFORE you buy the same derailleur again, only to...

BEFORE you buy the same derailleur again, only to find it also may not work...
How many gears does the present cassette have?
what is the tooth count of the largest cog on the cassette?
i'll...
Forum: Bicycle Mechanics
11-20-23, 02:19 PM
Replies: 8
Views: 380
Posted By maddog34

test fit them.. find out in about 10 seconds or...

test fit them.. find out in about 10 seconds or less!:innocent:
Forum: Bicycle Mechanics
11-20-23, 02:10 PM
Replies: 13
Views: 685
Posted By maddog34

it'll work. I've done several similar swaps.......

it'll work. I've done several similar swaps.... with shimano components....

what shifter will you be using? I've found that SRAM shift/der. combos are clunky and crude, but fairly effective......
Forum: Bicycle Mechanics
11-20-23, 01:59 PM
Replies: 13
Views: 685
Posted By maddog34

it'll work. I've done several similar swaps.......

it'll work. I've done several similar swaps.... with shimano components....

what shifter will you be using? I've found that SRAM shift/der. combos are clunky and crude, but fairly effective......
Forum: Bicycle Mechanics
11-20-23, 12:51 PM
Replies: 13
Views: 685
Posted By maddog34

no, i'm saying that since your derailleur already...

no, i'm saying that since your derailleur already clears a 42 tooth low gear, it already hangs really low and will clear the 51 tooth gear once the extender is installed.

this is not a complex...
Forum: Bicycle Mechanics
11-20-23, 01:10 AM
Replies: 12
Views: 793
Posted By maddog34

so basically.. you "asked the Factory" via web...

so basically.. you "asked the Factory" via web access.... and did the simple homework the thread starter should have already done..

nice work.
Forum: Bicycle Mechanics
11-20-23, 12:04 AM
Replies: 3
Views: 222
Posted By maddog34

the seat post is 27.2mm... the seat tube's outer...

the seat post is 27.2mm... the seat tube's outer diameter is most likely 30.7mm or so... there are dozens of designs available thru amazon and ebay, and any number of other outlets...
do your own...
Forum: Bicycle Mechanics
11-19-23, 11:42 PM
Replies: 13
Views: 685
Posted By maddog34

https://www.ebay.com/itm/174985081983?hash=item28b...

https://www.ebay.com/itm/174985081983?hash=item28bdec747f:g:1soAAOSwMa9hbxAd&amdata=enc%3AAQAIAAAA0AU8fwkIqjavJo2p%2BsSx%2BXpK9lkLrgRl1orZXTQQ5f9vi4J32%2F7WdnHA5K%2BsTplvyXd65NxXJUrnPiiPEa0jFA5kEQeQXz...
Forum: Bicycle Mechanics
11-19-23, 05:27 PM
Replies: 22
Views: 1,312
Posted By maddog34

backpedalling to lift the inside pedal for...

backpedalling to lift the inside pedal for cornering is quite common. i also backpedal to flatten the pedal position when standing to lessen bumps/potholes/curb lips at driveways, etc.
some...
Forum: Bicycle Mechanics
11-19-23, 04:56 PM
Replies: 15
Views: 640
Posted By maddog34

belt manufacturers use different standards,...

belt manufacturers use different standards, comparing brand to brand.... it's really hard to say for sure...
With V-belts, some measure the base of the "V", some measure the outer surface, and some...
Forum: Bicycle Mechanics
11-19-23, 04:20 PM
Replies: 11
Views: 416
Posted By maddog34

ahhh, but there IS A WAY to not remove the cable...

ahhh, but there IS A WAY to not remove the cable from the shifter...

are there any slotted CABLE STOPS along the cable route?
place both shifters in the smallest gear position... with chain...
Forum: Bicycle Mechanics
11-19-23, 04:03 PM
Replies: 12
Views: 793
Posted By maddog34

naw, just my twisted sense of humor.... and an...

naw, just my twisted sense of humor.... and an obvious answer is found in the thread starter post.

i just hope the owner doesn't weigh over 200 lbs. or plan on keeping that bike for a long time.....
Forum: Bicycle Mechanics
11-19-23, 01:15 PM
Replies: 12
Views: 793
Posted By maddog34

call the factory... ask them. they like to...

call the factory... ask them.

they like to Lauf too..
Forum: Bicycle Mechanics
11-19-23, 01:08 PM
Replies: 11
Views: 445
Posted By maddog34

https://www.ebay.com/itm/274564487079?hash=item3fe...

https://www.ebay.com/itm/274564487079?hash=item3fed5197a7:g:9HMAAOSwBnZbEZ85&amdata=enc%3AAQAIAAAA4NLuOPD5tLcIZrHh2EC4Ffe8SLv9jnWEdifpJpr4jD1r6g7pz6x1WZmTRtpwe6NDnolJ4LPU4ayUqWBQQlLnE5RlbBLF4KNDd8i0R7...
Forum: Bicycle Mechanics
11-19-23, 12:24 AM
Replies: 15
Views: 640
Posted By maddog34

inches x 25.4 / 11 is the raw math... not sure if...

inches x 25.4 / 11 is the raw math... not sure if that translates to actual tooth count reliably., but it will get you in the neighborhood.

i'd just use my Stanley "inches-or-mm" tape measure......
Forum: Bicycle Mechanics
11-18-23, 08:31 PM
Replies: 14
Views: 699
Posted By maddog34

try 25.4mm in an inch your math will work...

try 25.4mm in an inch

your math will work out much better if you do.. :D
Forum: Bicycle Mechanics
11-18-23, 03:10 PM
Replies: 8
Views: 447
Posted By maddog34

use light silicone grease on the inside of the...

use light silicone grease on the inside of the twist shift tube...
verify that the plastic rings are still in between the hand grip and the twist shift...
maintain a 1-2mm clearance between the...
Forum: Bicycle Mechanics
11-18-23, 02:58 PM
Replies: 15
Views: 640
Posted By maddog34

i tried that calculator yesterday... i punched in...

i tried that calculator yesterday... i punched in a few different scenarios relating to your post.... it's responses were confused and disorganized, IMO.

they "rank" odd combos that may not even...
Forum: Bicycle Mechanics
11-17-23, 08:46 PM
Replies: 24
Views: 785
Posted By maddog34

the chain width remains nearly identical......

the chain width remains nearly identical... chains in that range are regularly marketed as "6-7-8 speed compatible"
the shift indexing takes care of the difference in Cog spacing.

the only...
Forum: Bicycle Mechanics
11-17-23, 11:39 AM
Replies: 2
Views: 231
Posted By maddog34

get a different hub or avoid any sudden impacts...

get a different hub or avoid any sudden impacts if you fix that thing.... that is a really bad design for any axle.

What is the diameter of the center portion compared to the dropout portions?
...
Forum: Bicycle Mechanics
11-17-23, 11:26 AM
Replies: 15
Views: 640
Posted By maddog34

how does your bike change the belt tension? is...

how does your bike change the belt tension? is there enough adjustment range to meet the gates calculator's recommendations for "chain stay length"?

it appears that there is NO Adjustment...
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