Tell me I don't need a disc brake TT bike

I have the below setup. I think it’s more boredom than anything. One nagging thing is after going bigger tire on my cross bike has me wondering about a bigger tire setup on a disc TT bike.

Not mountainous here. Just annoying little hills.

Tell me I don’t need a disc brake TT bike. Maybe a roadie though. Tired of the rim brake roadie.

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Great looking bike! I think you will be fine.

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I did the jump you are considering a couple of years ago. You don’t NEED, but you do WANT and will LOVE the move once you’ve made it. I went disc brake on the roadie in 2016 but held out for the TT. Would not ever go back (in fact I’d had cable disc on my road bike based commuter/tourer from 2008).

You’re not giving much speed in a race, but confidence and comfort in training is the big change

You don’t need a disc brake TT bike. Your goal isn’t to be braking anyway.

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That is what I go to. I have clip on bars for my cross bike to ride gravel for longer training rides. The TT bike generally gets ridden at a peppy pace.

The other thing is this bike is a size too big for me. Note how not much seat post and also see how the extensions are pretty far rearward.

I tested that bike against a Hanzo at Silverstone. It did quite well.

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your pad x to frame x is at a fairly ideal distance, so the frame is not too long.

It’s just that many others have frames too short for their stretched Pad x.

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OK, you don’t need a disc brake TT bike.

If the sole reason to upgrade is to get disc brakes I don’t think I would do that. If I were to get a new tri bike, I definitely would get one with disc brakes.

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People have spoken.

Instead I think I will up size rear tire on the disc by one and front by one. I race a trispoke and train with the HED. The trispoke can take a 28mm flush but some reason I ran a 25. Probably what I had at moment.

Then just quality pads and maybe a new brake line.

I’ve run as large as a 30 on the rear of my trinity - the PA2 wheelset. The 700x30 Hutchinson blackbird measured out to a little over 29.

For comfort, performance or both ?

Fine, I’ll be the bad influence.

Get the disc brake bike. N+1, baby!

There’s a few courses local with non-stop crap crack seal on the pavement that has buckled. I feel crr wise a little lower pressure on a 28 may be better.

I mean if great pavement the 25s would stay.

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You don’t need a disk brake TT bike

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I just had this discussion with some junior enployees at work. It was about buying a pair of Rayban sunglasses. I said, buy something for $40 off Amazon and invest $400 in the market. If you did that a facebook IPO, your extra $400 is worth around $7000 today. Back then everyone was saying they were just a website. No they were not, they had the infrastructure back end to turn into a social media monopolistic position.

OK you may not get in on an IPO but the $10K you put into an “upgrade” turns into $40,000 in around 14 years in any reasonable S&P weigthed ETF. What can you do with that while still being fast with your Scott rim brake bike today?

I never spent more than $2000 on a tri bike in my life. It’s just not worth it, and my 14 year old P3 is not holding me back. Having said, that, i got a decent size payout from a legal settlement that has been 8.5 years in the making associated with a former employer who screwed over 105 employees by not paying us (a startup that went under), so I broke down and using some of that to by a new tri bike (disc brake Argon E117). It’s killing me to not invest that money to own something that will grow vs own something that is instantly depreciating !!! (and the market is kinda inflated, but I should park the cash to buy when things devalue)

Your bike is fine. Keep the cash parked to invest when the market comes down.

I think investor speak need to go in the lavender room…or the running forum.

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You don’t need a disc brake TT bike.

You might want a disc brake TT bike.

But you don’t need one.

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Telling him his bike is fine. Put the money on better things than a bike upgrade.\

@cyclenutnz remember our discussion at your place in NZ in Dec 2024 at Taupo worlds about my P3, and I told you to go buy Micron shares which was what I was doing rather than a bike upgrade (they were trading around $95 then). You told me to change around my cockpit minimally which was great advice and a cheap change (largely involved a slightly longer stem which I had a few spacers, and angling up my bars)

Disc Brakes on a TT or Road bike are one of the biggest scams in the Bike Industry. Rim Brake for life.

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