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Search: Posts Made By: alexdi
Showing results 1 to 50 of 129
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Forum: Mountain Biking
08-02-22, 10:52 AM
Replies: 35
Views: 10,566
Posted By alexdi

The problem with SX is bushing wear in the fixing...

The problem with SX is bushing wear in the fixing bolt. If you can rock the derailleur laterally when the bolt is tight, you have this problem, and 12S is intolerant of it. NX and GX have a better...
Forum: Mountain Biking
08-02-22, 10:33 AM
Replies: 8
Views: 1,824
Posted By alexdi

Put the chain on the bike with the suspension...

Put the chain on the bike with the suspension unloaded and size it so it has just enough tension to keep clear of the upper derailleur pulley when you're in the smallest sprocket. No need to count...
Forum: Bicycle Mechanics
03-01-21, 04:21 PM
Replies: 9
Views: 8,738
Posted By alexdi

https://www.ebay.com/itm/Shimano-Tiagra-SL-4603-Fl...

https://www.ebay.com/itm/Shimano-Tiagra-SL-4603-Flat-Bar-Road-Triple-Shifters-10spd-Pair-used/303682283602

If they ship to you, that's what you want. Triple is backwards-compatible with double.
Forum: Road Cycling
03-01-21, 03:41 PM
Replies: 23
Views: 3,472
Posted By alexdi

I do not. I doubt they shift quite as well as...

I do not. I doubt they shift quite as well as Ultegra, but they will be lighter. There are also various 12-27 cassettes you might consider.
Forum: Road Cycling
03-01-21, 02:31 PM
Replies: 23
Views: 3,472
Posted By alexdi

Edco, Recon, and Token have all-steel 12-28s in...

Edco, Recon, and Token have all-steel 12-28s in 11. More details (https://docs.google.com/spreadsheets/d/16C3Rz6qmzmurSNd-L3IeMSFukkBFV6D1DRbfS59EDrE/edit#gid=873671641).
Forum: Bicycle Mechanics
01-10-21, 12:39 PM
Replies: 14
Views: 1,748
Posted By alexdi

Stan's tape is excellent. Kapton tape is a less...

Stan's tape is excellent. Kapton tape is a less flexible alternative that works well if the rim channel is relatively flat.
Forum: Bicycle Mechanics
01-10-21, 12:36 PM
Replies: 13
Views: 1,313
Posted By alexdi

I've update the Google chart to reflect the...

I've update the Google chart to reflect the correct 1.9 ratio. Thank you.
Forum: Hybrid Bicycles
09-29-20, 12:16 PM
Replies: 7
Views: 3,830
Posted By alexdi

Frame's a bit long for the stack, but might work...

Frame's a bit long for the stack, but might work with a short stem and short-reach bars. Best bet is to buy a bike that comes with the parts already installed. Otherwise--

For shifters, the...
Forum: Bicycle Mechanics
07-02-20, 08:09 AM
Replies: 0
Views: 294
Posted By alexdi

Chainline difference in SRAM direct-mount cranksets? Road vs. MTB?

I have a Sirrus 2016 disc (135 QR, 68 BSA BB) that I've converted to a 1X with an old 3X crankset. I'd like to upgrade the crankset. I have a Force CX1 42T ring with the included 5-bolt 110 BCD DM...
Forum: Hybrid Bicycles
03-03-20, 08:59 PM
Replies: 11
Views: 10,250
Posted By alexdi

Nice. Great aesthetic. I have the same bike, but...

Nice. Great aesthetic. I have the same bike, but went a different direction because I couldn't get on with the SL700 shifters. Very stiff action. I ended up converting to XX1/11 with a 42T ring and...
Forum: Bicycle Mechanics
06-08-18, 05:30 PM
Replies: 36
Views: 36,261
Posted By alexdi

I can't explain it any better than I have. This...

I can't explain it any better than I have. This isn't a hypothetical; I can video the difference, or you can just walk into the garage with a screwdriver and find out yourself.
Forum: Bicycle Mechanics
06-08-18, 11:33 AM
Replies: 18
Views: 2,298
Posted By alexdi

Sure you are. Here's what you said: A)...

Sure you are. Here's what you said:

A) Brands don't have "full control" over manufacturers
B) So manufacturers might be reselling rejected parts

What brand would work with a manufacturer...
Forum: Bicycle Mechanics
06-08-18, 09:39 AM
Replies: 36
Views: 36,261
Posted By alexdi

It isn't and it's not. The procedure reduces to...

It isn't and it's not. The procedure reduces to 'shift multiple sprockets.' The reason for it, again, is that the chain doesn't reach full tension for a given sprocket until after the shift is...
Forum: Bicycle Mechanics
06-08-18, 09:36 AM
Replies: 18
Views: 2,298
Posted By alexdi

The assumption here is that *every* overseas...

The assumption here is that *every* overseas manufacturer (even one that Easton presumably vetted) is unscrupulous. I don't believe that.

A knockoff is a knockoff, not a factory over-run or a...
Forum: Road Cycling
06-08-18, 09:14 AM
Replies: 10
Views: 1,593
Posted By alexdi

Paint aside, there is one notable difference in...

Paint aside, there is one notable difference in the geo charts: trail. The new bike has slacker head angles across the board. The old one will feel a little less stable, a little more maneuverable.
Forum: Road Cycling
06-07-18, 11:17 PM
Replies: 10
Views: 1,593
Posted By alexdi

Wider cassette on the new one. Flat-mount...

Wider cassette on the new one. Flat-mount calipers instead of post-mount. Braze-on FD. Slightly better tires. More tire clearance.

These are mostly distinctions without difference. You won't be...
Forum: Bicycle Mechanics
06-07-18, 11:09 PM
Replies: 36
Views: 36,261
Posted By alexdi

Less B-screw means more chain wrap and a sharper...

Less B-screw means more chain wrap and a sharper chain angle when you initiate a shift. That makes for faster shifting. More B-screw pivots the derailleur backwards, moving the upper jockey away from...
Forum: Road Cycling
06-07-18, 02:43 PM
Replies: 42
Views: 7,359
Posted By alexdi

Or just fit a -17D stem.

Or just fit a -17D stem.
Forum: Road Cycling
06-07-18, 02:20 PM
Replies: 11
Views: 3,056
Posted By alexdi

There's no universal answer. Weight, pace,...

There's no universal answer. Weight, pace, braking style, terrain, conditions, pads, and the quality of the wheel all impact your experience.

Here's how I break it down:

$3000 - Rim high-end...
Forum: Road Cycling
06-07-18, 01:58 PM
Replies: 131
Views: 22,612
Posted By alexdi

Light is more than it used to be. My hybrid, a...

Light is more than it used to be. My hybrid, a converted 1X flat-bar that was originally a mid-2000s Giant endurance road bike, is lighter than my actual 2017 road bike. Disc brakes, aero wheels,...
Forum: Road Cycling
05-13-18, 08:11 PM
Replies: 179
Views: 20,002
Posted By alexdi

Perhaps I shouldn't have used something that...

Perhaps I shouldn't have used something that looked like an equation. Doesn't matter to me how you rationalize using less pressure as volume goes up.
Forum: Hybrid Bicycles
05-13-18, 12:58 PM
Replies: 27
Views: 15,247
Posted By alexdi

If you don't need the expanded gear range of the...

If you don't need the expanded gear range of the triple, the hydraulic brakes on the Quick 3 will have considerably better modulation. V-brakes don't lack for power, you'll always be able to stop...
Forum: Road Cycling
05-13-18, 12:43 PM
Replies: 33
Views: 4,083
Posted By alexdi

A shoe attached to a pedal with a small 2-bolt...

A shoe attached to a pedal with a small 2-bolt platform will flex more than the same shoe on a big 3/4-bolt platform. Maybe not enough to matter for most folks, but there is a difference if you're...
Forum: Road Cycling
05-13-18, 12:34 PM
Replies: 179
Views: 20,002
Posted By alexdi

Wider rim = more volume = less pressure = better...

Wider rim = more volume = less pressure = better ride quality. Also makes for less lateral tire deflection, so better in the turns, and the wheelset is more aero when the rim is wide enough for the...
Forum: Road Cycling
05-13-18, 12:15 PM
Replies: 3
Views: 605
Posted By alexdi

It's a rim-braked Tiagra bike with a $100...

It's a rim-braked Tiagra bike with a $100 wheelset for $1300. Actual weight is probably north of 9kg. A lot of things it may be, but a deal isn't one of them.
Forum: Bicycle Mechanics
05-13-18, 11:36 AM
Replies: 14
Views: 1,586
Posted By alexdi

Good link on that parts catalog, I added a bunch...

Good link on that parts catalog, I added a bunch of MTB derailleurs dating back to 1994. This site was also helpful:

Shimano Rear Derailleur Specification - the Buyer's Guide, 2015...
Forum: Bicycle Mechanics
05-13-18, 10:45 AM
Replies: 22
Views: 2,459
Posted By alexdi

IME, you can be off by one and maintain...

IME, you can be off by one and maintain acceptable performance. More than that is a headache, particularly with FD tuning. 6/7/8 chainrings are further apart. 10S chains are too narrow to grab the...
Forum: Bicycle Mechanics
05-13-18, 10:23 AM
Replies: 14
Views: 1,586
Posted By alexdi

Shimano's 'specification handbook' PDFs only...

Shimano's 'specification handbook' PDFs only appear to extend to 2005. Schematic breakdowns mostly just confirm a derailleur existed; they don't, unfortunately, tell me the numbers to fill in the...
Forum: Bicycle Mechanics
05-07-18, 11:16 PM
Replies: 14
Views: 1,586
Posted By alexdi

I've used your charts as a reference. :) Just...

I've used your charts as a reference. :) Just added a link to the site in the Notes section.

I update this sheet with some frequency, either by adding, correcting, or reformatting data. Copies are...
Forum: Bicycle Mechanics
05-07-18, 10:52 PM
Replies: 14
Views: 1,586
Posted By alexdi

Definitely some good legacy stuff there, though a...

Definitely some good legacy stuff there, though a little hard to interpret. Almost everything on their list predates 2000.



Indeed. Thankfully there's not much maintenance at this point,...
Forum: Bicycle Mechanics
05-07-18, 08:34 PM
Replies: 12
Views: 7,770
Posted By alexdi

The fourth hand tool is useful for FDs, though...

The fourth hand tool is useful for FDs, though not strictly necessary. You can also use the lower limit screw to hold the derailleur a little higher, then release it to take up that modicum of cable...
Forum: Bicycle Mechanics
05-07-18, 08:30 PM
Replies: 14
Views: 1,586
Posted By alexdi

List of Shimano derailleurs

Some time ago, I shared a spreadsheet of cassettes. I've since added the major attributes of Shimano's derailleurs from the last 20 years. If you're frequently mixing and matching like I am, or just...
Forum: Hybrid Bicycles
04-05-18, 05:05 PM
Replies: 10
Views: 8,894
Posted By alexdi

Between this post and your last, you too should...

Between this post and your last, you too should have bought the base model. The difference would have been better spent on anger management.
Forum: Cyclocross and Gravelbiking (Recreational)
04-03-18, 12:19 PM
Replies: 17
Views: 3,388
Posted By alexdi

I'm keen to hear about this. How do you like the...

I'm keen to hear about this. How do you like the JTek merge? What effect on shift quality, consistency, and actuation pressure?
Forum: Cyclocross and Gravelbiking (Recreational)
04-03-18, 11:53 AM
Replies: 17
Views: 3,388
Posted By alexdi

Interesting project and, IMO, a natural one to...

Interesting project and, IMO, a natural one to pursue for a bike that's supposed to live on all surfaces.

I'm be tempted to employ electronic shifting: eTap brifters with blips to shift on the...
Forum: Hybrid Bicycles
04-02-18, 10:41 PM
Replies: 10
Views: 8,894
Posted By alexdi

Odd response. They all have the same frame,...

Odd response. They all have the same frame, wheels, brakes, tires, and similar drivetrains. No weight difference worth mentioning. The middle bike has FS and top one has FS and Zertz. Zertz is barely...
Forum: Hybrid Bicycles
04-02-18, 08:14 PM
Replies: 10
Views: 8,894
Posted By alexdi

Pretty paint on the Pro. Otherwise, they might as...

Pretty paint on the Pro. Otherwise, they might as well the same bike. Zertz in the post is worth about 5 PSI of tire pressure. $450? Only if there's a money tree out back.

Actually, the Elite's...
Forum: Bicycle Mechanics
04-02-18, 07:20 AM
Replies: 24
Views: 2,944
Posted By alexdi

M6000 is the most economical choice from the big...

M6000 is the most economical choice from the big two. There are 10S off-brand derailleur-shifter combinations on Aliexpress for a third the price, though without a clutch.
Forum: Bicycle Mechanics
04-02-18, 06:48 AM
Replies: 24
Views: 6,625
Posted By alexdi

The impact driver was a 20V Dewalt with a hex...

The impact driver was a 20V Dewalt with a hex shank and non-impact bit. About 100 ft lbs. The impact wrench was a 1/2" air tool with about 500 ft lbs and an impact bit. This bit warped, briefly...
Forum: Bicycle Mechanics
04-02-18, 01:14 AM
Replies: 3
Views: 3,022
Posted By alexdi

Indeed. And having asked about Claris, now I'm...

Indeed. And having asked about Claris, now I'm starting to wonder about Alivio M4000 9S. New design, shadow, lots of range, under $20. Curiously claims to be compatible with only 32T and 36T...
Forum: Bicycle Mechanics
04-02-18, 12:22 AM
Replies: 24
Views: 6,625
Posted By alexdi

I inherited a bike with an SPD pedal stuck on a...

I inherited a bike with an SPD pedal stuck on a pristine 5600 105 NDS crank. The pedal wrench aligned at 90 degrees to the crank, limiting some of the better leverage-enhancing techniques.

Here's...
Forum: Bicycle Mechanics
04-01-18, 08:17 PM
Replies: 47
Views: 5,431
Posted By alexdi

I bought a 15L ultrasonic cleaner. It's big...

I bought a 15L ultrasonic cleaner. It's big enough to fit a crankset. Paired with heated degreaser (almost anything works, I use diluted citrus from THD most of the time), it's radically increased...
Forum: Bicycle Mechanics
04-01-18, 08:01 PM
Replies: 3
Views: 3,022
Posted By alexdi

8-speed derailleur with 10-speed shifters?

Shimano 8, 9, and 10 speed road derailleurs (4700 excepted) all have the same pull ratios, right? Any reason you couldn't pair, say, Ultegra 6700 (10S) shifters with Claris (2200/2300/2400/2500) and...
Forum: Road Cycling
02-05-18, 12:36 AM
Replies: 40
Views: 24,619
Posted By alexdi

Did you read the post you quoted? Flats aren't so...

Did you read the post you quoted? Flats aren't so minor with some tubeless tire and rim combinations. Fortunately, they're also much less frequent.
Forum: Road Cycling
02-04-18, 01:37 PM
Replies: 40
Views: 24,619
Posted By alexdi

I just made a long post about this on another...

I just made a long post about this on another forum. My Schwalbe tires were almost impossible to mount and remove. Dish soap (and to a lesser extent, a heat gun) made all the difference. Which is to...
Forum: Road Cycling
02-04-18, 01:33 PM
Replies: 5
Views: 2,080
Posted By alexdi

If these are your choices and money means...

If these are your choices and money means anything to you, then absolutely. $500 ($800?) buys a lot of fancy parts.
Forum: Road Cycling
02-04-18, 01:22 PM
Replies: 53
Views: 7,647
Posted By alexdi

Excellent commentary. Sounds like the SL5 is your...

Excellent commentary. Sounds like the SL5 is your bike. The price difference is marginal for something you'll have and enjoy for years. The front suspension in the Roubaix might be interesting to...
Forum: Road Cycling
02-04-18, 01:06 PM
Replies: 40
Views: 24,619
Posted By alexdi

I find tubeless for forgiving with air pressure....

I find tubeless for forgiving with air pressure. My Schwalbe Pro One tires lose maybe 6-8 PSI a week. I check them before rides, but it doesn't much matter because, for lack of pinch flats, I can run...
Forum: Road Cycling
02-04-18, 12:59 PM
Replies: 5
Views: 2,080
Posted By alexdi

Better wheels on the new one. 200g lighter....

Better wheels on the new one. 200g lighter. Improved hydraulic levers. Functional improvements I'd favor at the same price over the aesthetics of the Ultegra crankset.

But it's not the same...
Showing results 1 to 50 of 129
 
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