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Search: Posts Made By: cobba
Showing results 1 to 50 of 53
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Forum: Mountain Biking
09-14-23, 04:20 AM
Replies: 3
Views: 573
Posted By cobba

It's a 1994 Hardrock FS The bike can be seen...

It's a 1994 Hardrock FS

The bike can be seen in these 2 catalog scans:
https://www.retrobike.co.uk/archive/1994-specialized-catalogue.84/...
Forum: Bicycle Mechanics
09-05-23, 01:24 PM
Replies: 12
Views: 889
Posted By cobba

Page 14 the 2001 All Models or the 2001...

Page 14 the 2001 All Models or the 2001 Instruction Manual has air pressures for different riders weights.

Marzocchi manuals: https://public-repository.org/

It says 27–37 psi for a rider that's...
Forum: Bicycle Mechanics
06-09-23, 04:07 AM
Replies: 17
Views: 686
Posted By cobba

Tried spraying wd40 into the shifter? Old...

Tried spraying wd40 into the shifter?

Old dry/hard grease in shifters can stop them working properly.
Forum: Bicycle Mechanics
06-06-23, 12:29 AM
Replies: 5
Views: 378
Posted By cobba

It's a very commonly used adapter on mountain...

It's a very commonly used adapter on mountain bikes.

The reason spherical washers are used....

...
Forum: Bicycle Mechanics
06-05-23, 08:22 PM
Replies: 5
Views: 378
Posted By cobba

Manitou Blacks have post mounts not IS mounts,...

Manitou Blacks have post mounts not IS mounts, you need the SM-MA-F180P/P2 adapter.

https://www.jensonusa.com/Shimano-F180PP2-Disc-Brake-Adaptor

...
Forum: Bicycle Mechanics
04-11-23, 08:45 AM
Replies: 11
Views: 616
Posted By cobba

What you need is a section that consists of 3...

What you need is a section that consists of 3 sprockets, the part number is on the exploded diagram.

https://si.shimano.com/en/pdfs/ev/CS-M8000-3854/EV-CS-M8000-3854C.pdf
Forum: Bicycle Mechanics
03-06-23, 04:47 AM
Replies: 29
Views: 4,793
Posted By cobba

Try this place when they come back online.... ...

Try this place when they come back online....

https://www.suspensionforkparts.net/eshop/
Forum: Bicycle Mechanics
03-06-23, 12:18 AM
Replies: 29
Views: 4,793
Posted By cobba

Photos might be useful

Photos might be useful
Forum: Bicycle Mechanics
03-05-23, 06:51 AM
Replies: 5
Views: 299
Posted By cobba

The manual linked in a earlier post is for much...

The manual linked in a earlier post is for much later R7 model, the following manuals have info relating to the 2007 model, I'm fairly sure that the 2006 models were basically the same too.
...
Forum: Bicycle Mechanics
12-02-22, 04:29 AM
Replies: 8
Views: 466
Posted By cobba

The recommended calipers diagrams for the GRX...

The recommended calipers diagrams for the GRX brifters show the parts you were probably looking for.

ST-RX600 / ST-RX815 - BR-RX810...
Forum: Bicycle Mechanics
06-16-22, 03:53 AM
Replies: 15
Views: 477
Posted By cobba

The old Avid G3 Solid Sweep can still be found if...

The old Avid G3 Solid Sweep can still be found if you look....
Forum: Bicycle Mechanics
06-09-22, 06:18 AM
Replies: 33
Views: 1,234
Posted By cobba

https://bikeforums.net/g/picture/25261382 ...

https://bikeforums.net/g/picture/25261382
...
Forum: Bicycle Mechanics
11-21-21, 12:27 AM
Replies: 4
Views: 579
Posted By cobba

One is a conventional/standard derailleur the...

One is a conventional/standard derailleur the other one is a direct mount derailleur.

The direct mount derailleur needs a b-link (bracket axle unit) to attach it to a standard derailleur hanger....
Forum: Bicycle Mechanics
11-20-21, 10:08 PM
Replies: 4
Views: 579
Posted By cobba

The hanger in the following link, looks to be the...

The hanger in the following link, looks to be the one that would fit on your bike, the derailleur that you bought, would fit on it without having to modify it or the hanger.

...
Forum: Bicycle Mechanics
10-09-21, 04:34 AM
Replies: 12
Views: 664
Posted By cobba

Your derailleur has the wrong type of attachment...

Your derailleur has the wrong type of attachment on it.

You have a derailleur with a dropout claw but you need a derailleur that attaches directly to the derailleur hanger.
...
Forum: Bicycle Mechanics
09-26-21, 01:54 AM
Replies: 11
Views: 490
Posted By cobba

https://www.bikeforums.net/g/user/545243 ...

https://www.bikeforums.net/g/user/545243
...
Forum: Bicycle Mechanics
08-14-21, 08:13 AM
Replies: 16
Views: 6,127
Posted By cobba

Would I be right in saying it's a constant rub...

Would I be right in saying it's a constant rub and not a intermittent one.



I'd go about it differently.

First I'd loosen the pinch bolt on the cable and see if the lever arm can be pushed...
Forum: Bicycle Mechanics
08-13-21, 09:28 PM
Replies: 16
Views: 6,127
Posted By cobba

With that brake, only the outer pad moves and...

With that brake, only the outer pad moves and only the inner pad can be adjusted.

Would loosening the brake cable allow the outer pad to retract and give more clearance?
Forum: Bicycle Mechanics
08-12-21, 09:29 PM
Replies: 4
Views: 463
Posted By cobba

With the correct hardware you could connect it,...

With the correct hardware you could connect it, the old fitting would need to be cut off to attach the new fittings and the brakes would need bleeding afterwards.

Road an mountain levers use...
Forum: Bicycle Mechanics
08-12-21, 07:15 PM
Replies: 15
Views: 3,437
Posted By cobba

When you double stack those types of adapters,...

When you double stack those types of adapters, you won't have a straight hole going through both adapters.

...
Forum: Bicycle Mechanics
08-12-21, 07:09 AM
Replies: 15
Views: 3,437
Posted By cobba

With some adapters you're supposed to use those...

With some adapters you're supposed to use those spherical washers above the caliper.

+20mm adapter
https://si.shimano.com/pdfs/si/SI-8170A-001-ENG.pdf

+23mm adapter...
Forum: Bicycle Mechanics
08-12-21, 05:46 AM
Replies: 15
Views: 3,437
Posted By cobba

Spend a few $ and buy the correct adapter. ...

Spend a few $ and buy the correct adapter.

https://www.jensonusa.com/Shimano-F203PP-Disc-Brake-Adapter
Forum: Bicycle Mechanics
08-05-21, 07:26 AM
Replies: 21
Views: 2,379
Posted By cobba

Your photos are here..... ...

Your photos are here.....

https://www.bikeforums.net/g/album/22107142
Forum: Bicycle Mechanics
07-22-21, 07:49 PM
Replies: 4
Views: 898
Posted By cobba

Is the bracket axle unit / b-link attached to the...

Is the bracket axle unit / b-link attached to the derailleur hanger properly?

Yours looks like it's attached in a vertical position, it's supposed to be attached in more horizontal position.

...
Forum: Bicycle Mechanics
06-01-21, 05:49 PM
Replies: 9
Views: 2,047
Posted By cobba

The mounting surfaces on the 185mm post mount...

The mounting surfaces on the 185mm post mount adapter aren't even, this adapter is only made to be used with Avid CPS calipers which have the spherical washers below it and allow the it to be mounted...
Forum: Bicycle Mechanics
04-26-21, 08:59 PM
Replies: 15
Views: 1,141
Posted By cobba

It looks a bit chewed up now.

It looks a bit chewed up now.
Forum: Bicycle Mechanics
04-14-21, 04:26 AM
Replies: 7
Views: 602
Posted By cobba

Pull ratios: Science Behind the Magic |...

Pull ratios: Science Behind the Magic | Drivetrain Compatibility ? Art's SLO Cyclery (http://blog.artscyclery.com/science-behind-the-magic/science-behind-the-magic-drivetrain-compatibility/)
Forum: Bicycle Mechanics
03-25-21, 10:12 PM
Replies: 54
Views: 4,458
Posted By cobba

Those are cantilever brakes on the bike in the...

Those are cantilever brakes on the bike in the photo, did you remove them and put v-brakes on the bike?
Forum: Mountain Biking
03-02-21, 08:01 AM
Replies: 15
Views: 1,312
Posted By cobba

I think there's a trick to seeing a new member's...

I think there's a trick to seeing a new member's album.

Change the 6 digit number in your user album to the 6 digit number at the end of Kpruu1014 profile.

Your album:...
Forum: Mountain Biking
02-16-21, 09:11 PM
Replies: 3
Views: 8,295
Posted By cobba

Your fork serial number on the trailhead page...

Your fork serial number on the trailhead page should show what upgrades the fork can have.

https://trailhead.rockshox.com/en/

Spare parts catalog also shows parts.
...
Forum: Bicycle Mechanics
12-20-20, 07:24 AM
Replies: 4
Views: 923
Posted By cobba

Why those washers are used above the caliper with...

Why those washers are used above the caliper with that type of adapter...
https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/519x522/p4pb15830280_77a86d20b89381144e7683cfbc148e9dacd84cbb.jpg
Forum: Bicycle Mechanics
12-20-20, 03:44 AM
Replies: 4
Views: 923
Posted By cobba

See how it is when the adapter is put on the...

See how it is when the adapter is put on the correct way around with the shorter bolt.

The 'up arrow' only points up when that adapter is on a fork, when that adapter is on a chain stay mount it...
Forum: Bicycle Mechanics
12-12-20, 11:22 PM
Replies: 18
Views: 3,719
Posted By cobba

Unlike standard disc brake calipers, the BB7 is a...

Unlike standard disc brake calipers, the BB7 is a CPS caliper that needs a 5mm stack of spherical washers beneath the caliper for proper spacing over the rotor.

If the Deore calipers were attached...
Forum: Bicycle Mechanics
09-21-20, 06:36 PM
Replies: 3
Views: 570
Posted By cobba

BB7's need the extra spacing that CPS washers...

BB7's need the extra spacing that CPS washers provide.

https://www.sram.com/en/sram/models/db-blbg-7m-a1
Forum: Bicycle Mechanics
09-13-20, 04:34 AM
Replies: 6
Views: 1,582
Posted By cobba

Previous thread:...

Previous thread: https://www.bikeforums.net/bicycle-mechanics/1085991-5-side-allen-bolt-anti-theft-skewer-help.html
Forum: Bicycle Mechanics
08-12-20, 08:52 PM
Replies: 29
Views: 2,760
Posted By cobba

Keep the chain in a straighter line. Old...

Keep the chain in a straighter line.

Old worn chains can flex sideways easier then a new chain.

There's nothing to guide the chain when back pedalling


nothing to guide the chain + a chain...
Forum: Bicycle Mechanics
08-12-20, 01:32 AM
Replies: 13
Views: 986
Posted By cobba

It probably would of been built like that on...

It probably would of been built like that on purpose, I don't know if they're still making them but you could buy factory built wheels that were rim and disc brake compatible.



Yes as long as...
Forum: Bicycle Mechanics
07-07-20, 01:04 AM
Replies: 1
Views: 604
Posted By cobba

What about the Microshift bar clamp shifers? ...

What about the Microshift bar clamp shifers?
https://www.microshift.com/en/product/sl-m10/


Not really, any Shimano 10 speed mountain shifters (Deore, SLX, XT) would work with those derailleurs....
Forum: Mountain Biking
07-04-20, 07:21 PM
Replies: 6
Views: 12,726
Posted By cobba

The SM-MA-F203P/PM adapter that you bought is a...

The SM-MA-F203P/PM adapter that you bought is a 23mm adapter for using a 203mm rotor with 180mm post mounts

The SM-MA-F203P/P adapter is a 43mm adapter that lets you use a 203mm rotor with a 160mm...
Forum: Bicycle Mechanics
06-17-20, 06:54 AM
Replies: 1
Views: 302
Posted By cobba

You've got a sticky piston. ...

You've got a sticky piston.

https://www.pinkbike.com/news/tech-talks-fixing-sticky-pistons-park-tool--video.html

https://www.youtube.com/watch?v=vQXFFgRButo
Forum: Bicycle Mechanics
06-07-20, 02:45 AM
Replies: 11
Views: 3,725
Posted By cobba

Looks like 2 x M3x8 Flat Head Screws are probably...

Looks like 2 x M3x8 Flat Head Screws are probably needed to attach the hanger.

https://wheelsmfg.com/derailleur-hangers/manufacturers/brodie/derailleur-hanger-154.html
Forum: Bicycle Mechanics
05-26-20, 06:54 PM
Replies: 2
Views: 1,673
Posted By cobba

The SM-MA-R160D/D adapter is what you need. ...

The SM-MA-R160D/D adapter is what you need.

Tech diagram: https://si.shimano.com/pdfs/ev/EV-BR-R8070-4255D.pdf

https://si.shimano.com/ (https://si.shimano.com)
Forum: General Cycling Discussion
10-24-19, 11:10 PM
Replies: 46
Views: 14,569
Posted By cobba

Sounds like the cable is incorrectly attached, it...

Sounds like the cable is incorrectly attached, it is supposed to be attached on the outboard side of the pinch bolt.

Attach it on the correct side and report back.
...
Forum: Bicycle Mechanics
09-19-19, 02:11 AM
Replies: 24
Views: 3,042
Posted By cobba

Bracket axle unit installed in the horizontal...

Bracket axle unit installed in the horizontal position as it should be?

I've seen people incorrectly attach it in a vertical position, they had problems with shifting and chain tension.
...
Forum: Bicycle Mechanics
07-31-19, 06:16 AM
Replies: 10
Views: 3,767
Posted By cobba

Rim brake or disc brake? Might be hard...

Rim brake or disc brake?

Might be hard finding a rim brake fork with that A/C measurement.
Forum: Bicycle Mechanics
07-31-19, 05:32 AM
Replies: 10
Views: 3,767
Posted By cobba

Subtract the % of the 63mm of fork travel, not...

Subtract the % of the 63mm of fork travel, not off the A/C length.

Example:
A suspension fork with 500mm A/C measurement and 100mm travel.
If you ride with 20% sag, the axle to crown measurement...
Forum: Bicycle Mechanics
07-24-19, 12:10 PM
Replies: 17
Views: 5,419
Posted By cobba

Compressionless cable housing?

Compressionless cable housing?
Forum: Bicycle Mechanics
07-09-19, 11:27 PM
Replies: 17
Views: 3,344
Posted By cobba

This article says it's a bit of a cross between...

This article says it's a bit of a cross between internal and external.

https://bikerumor.com/2017/05/16/campagnolo-updates-scirocco-c17-aluminum-clincher-wheelset-qr/


External cam skewer on...
Forum: Bicycle Mechanics
07-05-19, 06:22 AM
Replies: 8
Views: 1,147
Posted By cobba

The brake adapter goes on the top side of the...

The brake adapter goes on the top side of the chain stay, the holes on the bottom side are for a stand.

The 2 holes above the dropout are for a rack or fender.
Forum: Bicycle Mechanics
06-28-19, 08:48 AM
Replies: 16
Views: 17,383
Posted By cobba

Some Tektro brakes use the same type of pad as...

Some Tektro brakes use the same type of pad as some Shimano brakes, you look to have the same shape pad as the Shimano B01S resin pads / E01S metal pads.


Resin = Organic.


Plenty of other...
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