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Search: Posts Made By: rustymongrel
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Replies: 15
Views: 1,140
Posted By rustymongrel

Makes sense, I grew up doing swimming and...

Makes sense, I grew up doing swimming and continued at that through university. During university we did testing twice a year as part of our gym training: body composition, vertical jump, 60m running...
Replies: 15
Views: 1,140
Posted By rustymongrel

Jumping and short sprints are an excellent test...

Jumping and short sprints are an excellent test of fast twitch potential.

I've never been good at either, even with training. Most people take me for a "sprinter" when they see me at the track...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

That's awesome! I wanted to see some racing...

That's awesome!

I wanted to see some racing when I was in Japan in 2015 but without any Japanese friends was totally out of luck with schedules etc.
Replies: 22
Views: 1,619
Posted By rustymongrel

Yeah I wasn't measuring between the joints. My...

Yeah I wasn't measuring between the joints. My shoulders are about 43-44cm measured that way (I'm 6'3).
Replies: 22
Views: 1,619
Posted By rustymongrel

My shoulders are 48cm wide and I use 37cm bars...

My shoulders are 48cm wide and I use 37cm bars for enduro and 40 or 42cm bars on the road depending on application (racing, training, CX).

I have never felt restricted in any way.
Replies: 52
Views: 2,147
Posted By rustymongrel

I've heard that top Japanese Keirin racers have...

I've heard that top Japanese Keirin racers have frames with different geometry for racing in the wet. And bikes with different tubing spec for early season and late season racing.

Not sure if...
Replies: 12
Views: 1,033
Posted By rustymongrel

I looked into this, the 900 has 24mm OD bearing...

I looked into this, the 900 has 24mm OD bearing seats and unfortunately 17x24 bearings don't seem to exist (the Super 9 uses 17x26 and 17x30 bearings).

My offer to machine a new axle for you...
Replies: 12
Views: 1,033
Posted By rustymongrel

It's larger, 17mm I'm pretty sure.

It's larger, 17mm I'm pretty sure.
Replies: 12
Views: 1,033
Posted By rustymongrel

The Miche bits do require extra spacers and it's...

The Miche bits do require extra spacers and it's not all that perfect as the NDS cone is difficult to adjust being so far inboard.

One could make a new axle that has a similar preload adjustment...
Replies: 12
Views: 1,033
Posted By rustymongrel

I measured mine with my mic. NDS bearing surface...

I measured mine with my mic. NDS bearing surface was 0.5894" and DS was 0.5891"... so 14.95~14.97mm

When the axle is slipped through the bearings there is noticeable play. Once the DS locknut is...
Replies: 12
Views: 1,033
Posted By rustymongrel

I have both a 900 and a micrometer! It might...

I have both a 900 and a micrometer!

It might matter what generation hub you have, so I'd suggest posting pictures.
Replies: 40
Views: 2,925
Posted By rustymongrel

At the same cadence a shorter crank requires...

At the same cadence a shorter crank requires lower foot speed and higher torque. Longer crank is the opposite, higher foot speed and lower peak torque

In reality someone running longer cranks is...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

I think this post from earlier pretty much sums...

I think this post from earlier pretty much sums up my feelings. Things like racing categories and age groups/masters racing are great because they make competition more fun and accessible for people...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

Here are my two cents: It seems the rules...

Here are my two cents:

It seems the rules have existed in their current form for some time now. If these rules were so blatantly misguided wouldn't podiums at major sporting events (major means...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

I'm guessing they worked backwards from the...

I'm guessing they worked backwards from the fork... instead of y'know designing a better fork.

I'd really like to do something similar and better but damn if I don't see any money to be made :(
Replies: 2,460
Views: 232,041
Posted By rustymongrel

Not saying there's a better alternative but I...

Not saying there's a better alternative but I find it rather uninspiring.

The range of sizes is cool but the design, tube choice, handling geometry and fork.... yawn
Replies: 19
Views: 2,026
Posted By rustymongrel

Probably, I mean I'm extrapolating from separate...

Probably, I mean I'm extrapolating from separate tests but my point is that frames and wheels are similarly important and should both come after tires, skinsuit, helmet and even shoes IMO.
...
Replies: 19
Views: 2,026
Posted By rustymongrel

In all seriousness a T4 and likely a TK FRD with...

In all seriousness a T4 and likely a TK FRD with 28 spoke training wheels would be as fast or faster than a round tubed steel bike with race wheels.

An 808 vs a conventional alloy rim wheel is...
Replies: 19
Views: 2,026
Posted By rustymongrel

The first option, the budget sprint frame is...

The first option, the budget sprint frame is pretty good. Solid and has half decent sizing/geometry.

The second frame I really dislike. There's a bunch of them around here branded by a local bike...
Replies: 9
Views: 811
Posted By rustymongrel

Stiffness testing shouldn't damage the frame...

Stiffness testing shouldn't damage the frame since the loads are relatively low.
Replies: 9
Views: 811
Posted By rustymongrel

https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/1280x712/763b7e3d_538e_4013_abbd_be33963e7322_e5981831c3972d209cae15bc1967bad12c791c7a.png


That’s the classic stiffness test. It’s...
Replies: 9
Views: 811
Posted By rustymongrel

Aero testing is pretty easy these days. An indoor...

Aero testing is pretty easy these days. An indoor track and a power meter can get some very accurate data. Not too difficult with track bikes to swap everything over or even have doubles of certain...
Replies: 9
Views: 811
Posted By rustymongrel

It's for commercial use, I guess I should be more...

It's for commercial use, I guess I should be more explicit about that. The track market is small and yet so many manufacturers can't seem to get things right. I want to use the feedback from this...
Replies: 9
Views: 811
Posted By rustymongrel

Market Research

Hey folks, I'm doing some market research for a new track frame that is in the early stages of development. I've put together a two page survey and would appreciate it if you could fill it out. If...
Replies: 138
Views: 43,752
Posted By rustymongrel

Just FYI chains don't stretch over time. Chains...

Just FYI chains don't stretch over time. Chains are subject to stretch when load is applied but it's not something that changes over time. What people commonly refer to as "chain stretch" is caused...
Replies: 53
Views: 4,362
Posted By rustymongrel

In that case with the two aero posts it was small...

In that case with the two aero posts it was small (<5w) but measurable. This was a full aerofoil vs. a slightly truncated aerofoil... I'll let you guess which was faster.

If you wanted to start...
Replies: 53
Views: 4,362
Posted By rustymongrel

A high end aluminum track frame would be very...

A high end aluminum track frame would be very difficult product to produce these days. The market is tiny and like you said Carleton you'd have to convince people it's just as good as the carbon...
Replies: 5,576
Views: 488,952
Posted By rustymongrel

I tried and quite like adhesive stair tread for...

I tried and quite like adhesive stair tread for pursuit bars. Since the grip area is so short I don't really want any margin for error and that stuff is basically just adhesive backed sandpaper,...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

Custom order through Cervélo 25,000 GBP for...

Custom order through Cervélo 25,000 GBP for frameset. Bars must be purchased seperately from British cycling.
Replies: 49
Views: 6,323
Posted By rustymongrel

Oh I know! I watched him race kids his own...

Oh I know!

I watched him race kids his own age a week ago and it was incredible how much he dominated.
Replies: 49
Views: 6,323
Posted By rustymongrel

That's my teammate on your wheel!

That's my teammate on your wheel!
Replies: 15
Views: 2,319
Posted By rustymongrel

I had this same issue with my self built steel...

I had this same issue with my self built steel frame and record cranks. The short chainstay length and straight chainstays had very little clearance. I tried a Chorus BB and it didn't help things at...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

Hey Morelock, I tried sending you a PM about the...

Hey Morelock, I tried sending you a PM about the IO clone you have that tested well. Do you have any info on which supplier it came from? I might be interested in getting one.
Replies: 67
Views: 10,819
Posted By rustymongrel

Most of these trainers have endcaps that can be...

Most of these trainers have endcaps that can be swapped for changing to 135mm spacing or thru axle so it may be possible to use custom machined pieces to get 120mm spacing. It doesn't matter which...
Replies: 67
Views: 10,819
Posted By rustymongrel

Most direct drive trainers are designed around...

Most direct drive trainers are designed around 130mm+ rear spacing and therefore wouldn't be compatible with 120mm track spacing.
Replies: 262
Views: 24,453
Posted By rustymongrel

Here are some shots of the bars... ...

Here are some shots of the bars...

https://i.imgur.com/GsVXQzZl.jpg

https://i.imgur.com/SWFpKXAl.jpg

https://i.imgur.com/5Wy1idwl.jpg
Replies: 262
Views: 24,453
Posted By rustymongrel

More sphinxable than scatto but not as good as a...

More sphinxable than scatto but not as good as a compact road bar. The much better variety of hand positions in the drops though is worth it for me over a compact road bar . Compared to the pro vibe...
Replies: 2,460
Views: 232,041
Posted By rustymongrel

Milton has two (maybe three?) basketball courts...

Milton has two (maybe three?) basketball courts in the infield that get used for badminton and volleyball as well. Seems to to work.
Replies: 17
Views: 2,118
Posted By rustymongrel

I checked the website and I don't see any more...

I checked the website and I don't see any more info than what the flyer has.
Replies: 17
Views: 2,118
Posted By rustymongrel

Yeah, I'd be interested in driving down but I...

Yeah, I'd be interested in driving down but I would want to know what events are on.
Replies: 262
Views: 24,453
Posted By rustymongrel

They're not even on my bike yet but I should have...

They're not even on my bike yet but I should have a chance to ride them Friday and again Sunday. I'll give a review and compare them against the Scattos I have on my bike now.

I think I'll like...
Replies: 262
Views: 24,453
Posted By rustymongrel

Just got a set of the "Selcof" track bars from...

Just got a set of the "Selcof" track bars from Planet X. As I suspected the drop is not really 135mm as their website states but about 120mm. 135mm is the drop to the very bottom of the bar not the...
Replies: 9
Views: 5,310
Posted By rustymongrel

Yeah so that benefit is irrelevant to sprinters,...

Yeah so that benefit is irrelevant to sprinters, hence why I wouldn't recommend it for sprinting.
Replies: 9
Views: 5,310
Posted By rustymongrel

Yeah I mean it just shares the geometry with the...

Yeah I mean it just shares the geometry with the TT bike. Not all that bad though, it has high trail and a long wheelbase so at low speeds it feels sluggish but I find it to be perfectly fine for...
Replies: 9
Views: 5,310
Posted By rustymongrel

I have a T3 (see post your bike thread) and I...

I have a T3 (see post your bike thread) and I wouldn't recommend it as a sprint bike. It has a very long wheelbase and long front-centre which is great if you need length and are restricted by the...
Replies: 863
Views: 205,683
Posted By rustymongrel

I have only changed chainrings once since I...

I have only changed chainrings once since I installed them and one of 5 fell out. If it continues to be an issue I’ll try a little glue as well. No slipping when I tighten them down though.
Replies: 262
Views: 24,453
Posted By rustymongrel

I bought one of those 3 years ago, my first track...

I bought one of those 3 years ago, my first track instructor said to superglue the backs of our chainring bolts and buy a campag peanut butter wrench. Since I didn't want to pay inflated prices for...
Replies: 5,576
Views: 488,952
Posted By rustymongrel

I find my H3C tubular wheel is adequately stiff...

I find my H3C tubular wheel is adequately stiff on the track, I'm an enduro but I'm not small at 190lbs. I got it for $250 from a triathlete.

I currently use a 900 disc with the H3C and 22mm EVO...
Replies: 863
Views: 205,683
Posted By rustymongrel

Racing tonight so I put the race wheels on my new...

Racing tonight so I put the race wheels on my new bike.

https://i.imgur.com/hg1gH0v.jpg
Replies: 262
Views: 24,453
Posted By rustymongrel

Ergonova Team. I'm usually a classic bend guy but...

Ergonova Team. I'm usually a classic bend guy but I find these aren't bad and the shape lends itself to riding on the "hoods". There's something about the flare they have which makes them feel good...
Showing results 1 to 50 of 116
 


 
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