Search: Posts Made By: mack_turtle
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07-19-18, 03:16 PM
Replies: 2
Views: 432
Posted By mack_turtle

SRAM S300s look like a good option. I think...

SRAM S300s look like a good option.

I think I am going to get some "old" modern ten-speed 105 cranks. 24mm spindle and all that.

since this is a singlespeed drivetrain and not a 1x, is there...
07-18-18, 08:25 PM
Replies: 2
Views: 432
Posted By mack_turtle

reliable old SS cranks

I have a Traitor Crusade singlespeed cyclocross bike. fun for long urban rides on mixed surfaces and gravel races. I have the stock 36/16 gearing, but the FSA Comet crankset (modular spider with 96mm...
03-03-18, 01:46 PM
Replies: 23
Views: 7,996
Posted By mack_turtle

My frame limits me to about a 35mm tire in the...

My frame limits me to about a 35mm tire in the rear, so I bought a 32mm GravelKing SK. Panaracer told me that the 32 would balloon out a bit, so I stuck with that. As it turns out, 32mm is true to...
02-22-18, 04:41 PM
Replies: 23
Views: 7,996
Posted By mack_turtle

Same boat. I emailed Panaracer and they said a...

Same boat. I emailed Panaracer and they said a 32mm tire ought to measure 33-34 mm. I can barely fit a 38 in the chainstays, so I don't know if trying a 35mm GK is worth the risk.
02-21-18, 12:49 PM
Replies: 1,272
Views: 487,036
Posted By mack_turtle

New Gravel Blaster. Clears 12x2.125 tires. ...

New Gravel Blaster. Clears 12x2.125 tires.

https://i.imgur.com/B21lrN4.jpg
https://i.imgur.com/Y0bachO.jpg
02-21-18, 12:22 PM
Replies: 21
Views: 5,997
Posted By mack_turtle

I emailed Panaracer with my question about GKs on...

I emailed Panaracer with my question about GKs on 19mm rims. They replied FAST. they said a 32mm GK on my rims would measure 33-34mm.
02-20-18, 09:12 PM
Replies: 4
Views: 500
Posted By mack_turtle

this thread is relevant to my interests. I have a...

this thread is relevant to my interests. I have a 19~20mm internal rim and need a tire that is 35mm at the widest. I have a 38mm G-One that actually measures 38mm on this rim and it's only OK when...
02-20-18, 08:22 PM
Replies: 21
Views: 5,997
Posted By mack_turtle

thread derail- I found that my frame barely fits...

thread derail- I found that my frame barely fits a 38mm G-One. add a little mud and it's a no-go. so I need a "true" 35mm tire, no more. the G-One measures 38mm on a 19mm rim. how likely is it that a...
02-14-18, 03:19 PM
Replies: 12
Views: 739
Posted By mack_turtle

Maxxis Refuse 40mm Panaracer Gravelking (not SK)

Maxxis Refuse 40mm
Panaracer Gravelking (not SK)
02-13-18, 03:59 PM
Replies: 35
Views: 7,807
Posted By mack_turtle

Sure... i don't need any more recommendations as...

Sure... i don't need any more recommendations as I have thoroughly researched the topic. I just need to go buy something.

Actually, I have a 40mm MSO in my garage that I'll try on the front. It...
02-11-18, 09:42 PM
Replies: 26
Views: 1,510
Posted By mack_turtle

Way too much time and energy just to confirm your...

Way too much time and energy just to confirm your own bias, but not nearly enough to challenge it. If this was a school science project, it would get a D+ at best. Just ride the bike that puts the...
02-08-18, 07:47 AM
Replies: 33
Views: 5,845
Posted By mack_turtle

this might be my favorite thing on the internet...

this might be my favorite thing on the internet ever- Stack and reach calculator (http://www.bikegeo.net/)
02-07-18, 10:18 AM
Replies: 33
Views: 5,845
Posted By mack_turtle

Good point. This thread is like asking "what size...

Good point. This thread is like asking "what size shoe do you wear?"
02-07-18, 08:33 AM
Replies: 33
Views: 5,845
Posted By mack_turtle

I am not talking merely about frame stack and...

I am not talking merely about frame stack and reach, but effective stack and reach of the whole bike. that is, where your hands end up, relative to the BB, when the bike is built up. basically, stack...
02-06-18, 06:05 PM
Replies: 33
Views: 5,845
Posted By mack_turtle

Unpopular theory: Saddle to bar dropis...

Unpopular theory:
Saddle to bar dropis irrelevant in the face of effective stack and effective reach.

Your saddle should be where it needs to be for your legs, KOPS be damned. Your hand position...
02-03-18, 08:16 PM
Replies: 35
Views: 7,807
Posted By mack_turtle

rode a 100k gravel event today on my 32mm cx...

rode a 100k gravel event today on my 32mm cx tires. some larger tires could have made it a softer ride. i feel pretty beat up, even though most of the gravel was hard-packed and tame. so it was fine,...
02-02-18, 09:38 PM
Replies: 14
Views: 1,172
Posted By mack_turtle

lowest gear on a geared bike or singlespeed? I...

lowest gear on a geared bike or singlespeed? I ride mid-high 50s for SS. 36/17 on 700C 32mm tires at the moment.
02-01-18, 10:19 PM
Replies: 7
Views: 538
Posted By mack_turtle

OP is asking about a gravel bike, not a CX race...

OP is asking about a gravel bike, not a CX race bike. I doubt he is worried about making a "quick wheel change" in the middle of a gravel race or exploratory ride.

Also, sliding and rocker dropous...
02-01-18, 09:26 PM
Replies: 35
Views: 7,807
Posted By mack_turtle

thanks for all the perspectives. if nothing...

thanks for all the perspectives.

if nothing else, I have learned that "gravel" is one of those things that varies widely with the region. just like "technical trails" or "descending", it's all...
02-01-18, 05:00 PM
Replies: 7
Views: 538
Posted By mack_turtle

Look into the Soma Wolverine andbthe Vassago...

Look into the Soma Wolverine andbthe Vassago Fisticuffs.




Not so much anymore. Most of them have rocker or slider dropouts. This is especially helpful with disc brakes.
02-01-18, 07:18 AM
Replies: 35
Views: 7,807
Posted By mack_turtle

I had not thought of that, but it's relevent. I...

I had not thought of that, but it's relevent. I can build and true wheels, but with only a hair's width of clearance, one boken spoke will be a huge pain to straighten out in the bush.
01-31-18, 08:09 PM
Replies: 35
Views: 7,807
Posted By mack_turtle

Secondary question- I have a Clement MSO 40mm...

Secondary question- I have a Clement MSO 40mm tire that just barely clears the inside of the chainstays. maybe 3mm. How much clearance should I need before the tire rubs on the frame due to frame and...
01-31-18, 01:52 PM
Replies: 35
Views: 7,807
Posted By mack_turtle

Gravel on 32mm tires

Looks like I am doing Hill Country Hundy (central Texas) this Saturday on 32mm tubed tires. Tubes, the horror! No time or budget for tire shopping. My last few gravel events were on 29x2.1 tubeless...
01-27-18, 03:36 PM
Replies: 7
Views: 710
Posted By mack_turtle

The tape should cover he entire inside of the rim...

The tape should cover he entire inside of the rim and go up into the bead. Get so.e wider tape.
01-24-18, 08:14 PM
Replies: 20
Views: 2,758
Posted By mack_turtle

central Texas is pretty f-ing dry most of the...

central Texas is pretty f-ing dry most of the time. if it's raining, you wait a day and ride when it stops. when I really want to ride and it's wet, I put a Mucky Nuts beaver tail flap on the back of...
01-22-18, 09:10 PM
Replies: 23
Views: 2,438
Posted By mack_turtle

if only Continental would wake up and make the...

if only Continental would wake up and make the Speed ride with a tubeless bead. I have tried, as did a friend with Stan's rims, to make that tire work tubeless. the bead is super loose.
01-22-18, 05:22 PM
Replies: 23
Views: 2,438
Posted By mack_turtle

Interesting. I have always told new riders that...

Interesting. I have always told new riders that they don't need knobs on the road because the surface is to hard for knobs too dig in. I think I heard that from Sheldon first. [Edit: nope, it was...
01-22-18, 02:52 PM
Replies: 23
Views: 2,438
Posted By mack_turtle

I will experiment and probably get a slightly...

I will experiment and probably get a slightly bigger, knobbier tire up front then.

Going to try a tubeless conversion so I don't have to worry much about pinching tubes.

Gravel King: regular vs...
01-21-18, 07:03 PM
Replies: 23
Views: 2,438
Posted By mack_turtle

I live on the south side of Austin, not far from...

I live on the south side of Austin, not far from Dick Nichols Park. I made a 20-mile route today that was about 1/2 non-paved surfaces. I could do a lot more if the trails were dry. I just stick to...
01-21-18, 06:59 PM
Replies: 23
Views: 2,438
Posted By mack_turtle

I have owned a few CX/ touring type bikes over...

I have owned a few CX/ touring type bikes over the years (Pompino, C'mute, Vaya, Double Cross Disc) but sold the last one a year ago to afford new parts for my mountain bike. I tried 32mm Race Kings,...
01-21-18, 11:32 AM
Replies: 23
Views: 2,438
Posted By mack_turtle

Also, i tried putting a 29x2.1 Thunder Burt in...

Also, i tried putting a 29x2.1 Thunder Burt in the fork. It fits! There's a hair width of clearance though. No need for a tire THAT big for this bike, but i am not opposed to a slightly bigger tire...
01-21-18, 10:51 AM
Replies: 23
Views: 2,438
Posted By mack_turtle

Gravel tires: volume vs tread

I have a new cx / gravel bike that has 32mm cx tires on it. I'd like to have more volume but i don't think anything bigger than 35mm knobby will fit in the back. I might be able to get a little more...
01-01-18, 08:18 AM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

Thanks for the feedback. I was never...

Thanks for the feedback.

I was never interested in the "creative process." I worked in bike shops for six years and spent three of those also running a bike co-op. That experience spoiled me in...
12-31-17, 04:51 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

Curious- how much $$ did you guys put into...

Curious- how much $$ did you guys put into converting an old mtb/ hybrid into a dropbar bike? I started doing this with an old Specialized Crossroads hybrid and, in the absence of a personal...
12-21-17, 10:18 PM
Replies: 16
Views: 1,740
Posted By mack_turtle

I owned a Soma DCD. nice bike! sizing was tricky....

I owned a Soma DCD. nice bike! sizing was tricky. I rode a 52cm but I probably should have bought the 54. I had 40mm tires in it at one time.

this might be worth considering too- Fisticuff Frame...
12-21-17, 05:04 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

Excellent point. Some of these conversions are...

Excellent point. Some of these conversions are conventional drop bars, while others are dirt drops. Using either of those style have very different results.
12-21-17, 01:42 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

The seller also had a 1993 Specialized Crossroads...

The seller also had a 1993 Specialized Crossroads Elite. I am thinking about taking the DB back to him and getting that instead. The Crossroads would put me on the 700c platform and has more useable...
12-21-17, 10:35 AM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

https://i.imgur.com/4XWldpH.jpg This is how...

https://i.imgur.com/4XWldpH.jpg

This is how it starts.
12-20-17, 05:40 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

I think I see what you're saying there, but...

I think I see what you're saying there, but please clarify. What is a "slack angle"? So you mean the head tube angle? Some people describe a HTA as "slack" once it starts going meller than 69 or 70...
12-20-17, 12:09 PM
Replies: 46
Views: 7,371
Posted By mack_turtle

Good point. I honestly wonder if I am...

Good point.

I honestly wonder if I am fetishizing drop bars. What doea a drop bar do for me that a flat bar with bar ends or a trekking bar does not?
12-20-17, 08:43 AM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

I worked at REI for about two years and always...

I worked at REI for about two years and always thought the Randonee was their best bike. We also sold Surly LTHs and the Rando was a better bike for the price.
12-20-17, 08:14 AM
Replies: 46
Views: 7,371
Posted By mack_turtle

yes! that's what I am trying to predict. I have...

yes! that's what I am trying to predict. I have been using Bikegeo.net as a tool to figure out what I could do. sometimes the geo for older frames is incomplete, so I have to guess. my old Soma...
12-20-17, 07:47 AM
Replies: 46
Views: 7,371
Posted By mack_turtle

if anything, that bike is too big for me. look at...

if anything, that bike is too big for me. look at the top tube measurement. 571mm versus the 545 or so that I know works for me. I could make up the excessive bar drop with a high-rise stem, which is...
12-20-17, 07:06 AM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

you're preaching to the choir for me. people...

you're preaching to the choir for me. people don't seem to get this, so I am glad we are on the same page. exactly my problem: I am not really looking at frame "sizes" but rather ETTs. I was looking...
12-19-17, 09:03 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

I would like to do something like this, but I am...

I would like to do something like this, but I am stuck on two things:

1. older 26" bikes are plentiful, but I feel like a 700Cx35-40mm tire would be better for my needs. a good steel hybrid like...
12-19-17, 08:22 PM
Replies: 46
Views: 7,371
Posted By mack_turtle

I would like to do something like this, but I am...

I would like to do something like this, but I am stuck on two things:

1. older 26" bikes are plentiful, but I feel like a 700Cx35-40mm tire would be better for my needs. a good steel hybrid like...
12-18-17, 10:14 AM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

Good call on other markets. I will check smaller...

Good call on other markets. I will check smaller towns when I get out, which is rare.

I am steering away from 26" bikes because it seems that fitting is going to be hard to accomplish by getting...
12-17-17, 07:12 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

thanks for the feedback! to clarify, i am...

thanks for the feedback!

to clarify, i am fine with the labor - I build my own wheels and service suspension and all that after working in a shop for several years. I owned a Double Cross Disc for...
12-17-17, 06:38 PM
Replies: 6,460
Views: 1,867,964
Posted By mack_turtle

I have a nice mountain bike for trail riding, but...

I have a nice mountain bike for trail riding, but it's a bit cumbersome for long-distance pavement/ gravel rides. I can "convert" my mtb to a more pave/gravel format, but the process is a PITA. I...
Forum: For Sale
07-25-17, 12:18 PM
Replies: 1,346
Sticky Saddle swap
Views: 300,195
Posted By mack_turtle

all gone

all gone
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