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Disc brakes are now the default on road bikes – and no one cares

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Disc brakes are now the default on road bikes – and no one cares

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Old 03-01-20, 10:10 AM
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How much does the new, average, off the shelf $1500 disc road bike weigh now?
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Old 03-01-20, 10:33 AM
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Originally Posted by velopig
Can you imagine how fast current world tour pros, Strava KOM holders and Dirty Kanza racers would be if they weren’t burdened with all this sluggish gear.
Yes I can. I imagine they would be track riders 😆😆
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Old 03-01-20, 01:31 PM
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Originally Posted by seypat
How much does the new, average, off the shelf $1500 disc road bike weigh now?
I'd like to know too. Mine is more like a $7,000 bike in MSRP terms and is a few years old, but it weighs a bit over 17 lbs., ready to ride. Not light by any standard.
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Old 03-01-20, 01:36 PM
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Originally Posted by velopig
For clarification my comment was about the desire for people to purchase undersized frames. I see so many people riding frames with numerous spacers and a riser stem when a larger frame or one with a greater stack height would allow for a more balanced ride.
I have a slightly different interpretation, which is that a certain demographic wants the "fastest" bike in the shop, but doesn't like the way it fits. Amounts to the same thing a lot of the time, I guess.
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Old 03-01-20, 03:44 PM
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Originally Posted by Dave Mayer
It is time to buy my dream retirement bike after coming into some money. Walk into a shop and they invariably ask: "what is your budget?" I respond with: "14.00 pounds max including pedals". I have a couple of 16 pound bikes, and they are sweet indeed. But lighter is always better.
This is a pearl beyond price. No kidding. All of you reading this who sell bikes in a shop should immediately suggest the following change to store policy: when a potential high-end-bike purchaser (or maybe any potential bike purchaser) comes in the shop, instead of asking about budget, ask what target weight the customer has in mind. All the sellers in other shops will still be asking about the target price range, so you'll make them seem like money-grubbers and yourself the like-minded pro, on the same wavelength as the customer. And if you ride a lightweight high-end bike yourself, be sure to mention its weight.

I can't help it if that reads as sarcasm. It isn't. With that one question, you'll increase the likelihood of making that sale. If I were still running bike shops, I'd institute that policy tomorrow.
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Old 03-01-20, 08:53 PM
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I would be much less likely to buy from a shop whose first question was what I want a bike to weigh instead of how I plan to ride it or just what kind I want. Focused on the wrong thing.
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Old 03-01-20, 09:04 PM
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Originally Posted by Seattle Forrest
I would be much less likely to buy from a shop whose first question was what I want a bike to weigh instead of how I plan to ride it or just what kind I want. Focused on the wrong thing.
Wait - you mean that the presumptuous assumption that one factor is the primary motivator is a bad sales technique? No way, I don't believe it.
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Old 03-01-20, 09:27 PM
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Originally Posted by Trakhak
This is a pearl beyond price. No kidding. All of you reading this who sell bikes in a shop should immediately suggest the following change to store policy: when a potential high-end-bike purchaser (or maybe any potential bike purchaser) comes in the shop, instead of asking about budget, ask what target weight the customer has in mind.
You can't be serious. That is a really bad question to ask. If the customer is concerned about bike weight, that's easy to see.

I usually ask people about the riding that they do, and what they intend on doing,


Originally Posted by Trakhak
If I were still running bike shops, I'd institute that policy tomorrow.
I can see why you aren't running a successful bike shop.

Last edited by noodle soup; 03-02-20 at 09:33 AM.
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Old 03-02-20, 09:29 AM
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Originally Posted by Seattle Forrest
People aren't riding 28s and 32s with rim brakes, but those are pretty common with discs, and the bigger tires make a bigger contact patch. Disc wins again!
Ignoring the cantilever rim brake bikes I have had and still have, my main road bike with caliper brakes has 31mm tires on it and there is plenty of room for more. Two other road bikes have 28mm tires with caliper brakes. I get it- rim road bikes with 30-32mm tires arent common. But that isnt for any good reason.

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Old 03-02-20, 09:40 AM
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Originally Posted by Dave Mayer
This thread has gone off the rails.. the topic was every new road bike has discs.

BTW: I've ridden the Defy Advanced. Carbon frame, discs and 105 components. 32mm (fat) tires. Anyway, the bike was around 20 pounds with porky heavy wheels, and it all rode like a farm tractor. I thought that the wide tires would make this bike super stable, but it was still sketchy above 20mph on the gravel in the Yukon. The crappy chip-seal roads were almost as jarring as riding on my other bike with 25s. And this performance coming from a $3k bike.

Anyway, here is the point: current road bikes are sluggish pigs due to weight burden of discs, and especially the heavy rims and tires. Plus the high-Q of the current cranksets are biomechanically inefficient, as are wide 142mm chainstays. But if you have to shove 13 cogs plus discs in the rear stays, then I guess you have to go wide in the rear. Plus thru-axles are an unnecessary PITA.

My $1,500 Allez with rim brakes allowed me to travel everywhere that the Defy did. It was also lighter and felt much more responsive.
My Defy had no problem beating plenty of lightweight bikes at my first road race a week ago (82 of them to be exact, altho I can't guarantee they were all lighter, but with a bike weight of 8.5kg, it's probably a safe bet that most of them were lighter than mine, especially given the number of S-Works and other high end bikes in the field). But maybe it's not the bike.

I will grant you that the stock tires on the Defy, even at 32mm, are horrible, heavy and not comfortable at all, even setup tubeless. I dropped 380g switching to 28mm GP5000s and latex tubes, and the ride is much smoother and more comfortable. Getting ready to drop another 400g in wheel weight. But the bike is hardly sluggish imo, in fact I would say it feels just as fast and nimble as the SL6 Tarmac it replaced.
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Old 03-02-20, 09:53 AM
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Originally Posted by tomato coupe
Wow. With 40mm of spacers, you might be two frame sizes too small.
According to who and supported by what?
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Old 03-02-20, 09:58 AM
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Originally Posted by seypat
Dude must not live where feral hogs are. Those things are anything but sluggish.
They would be if they had disc brakes on them.
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Old 03-02-20, 10:02 AM
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Originally Posted by OBoile
They would be if they had disc brakes on them.
With those meat slicers on em, they'd be heat & serve spiral cut ham.
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Old 03-02-20, 10:49 AM
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Originally Posted by Rides4Beer
My Defy had no problem beating plenty of lightweight bikes at my first road race a week ago (82 of them to be exact, altho I can't guarantee they were all lighter, but with a bike weight of 8.5kg, it's probably a safe bet that most of them were lighter than mine, especially given the number of S-Works and other high end bikes in the field). But maybe it's not the bike.

I will grant you that the stock tires on the Defy, even at 32mm, are horrible, heavy and not comfortable at all, even setup tubeless. I dropped 380g switching to 28mm GP5000s and latex tubes, and the ride is much smoother and more comfortable. Getting ready to drop another 400g in wheel weight. But the bike is hardly sluggish imo, in fact I would say it feels just as fast and nimble as the SL6 Tarmac it replaced.
I also own a Defy and the stock wheels/tires are definitely the weak link. But that has more to do with Giant trying to cut costs/keep the price down than it does with disc breaks.
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Old 03-02-20, 10:57 AM
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Originally Posted by OBoile
I also own a Defy and the stock wheels/tires are definitely the weak link. But that has more to do with Giant trying to cut costs/keep the price down than it does with disc breaks.
And it's the smart thing to do. Just throw some place-keeper wheels in there and keep the rest of the spec favorable - I'd be much happier with my own choice of $250 wheels than most bike manufacturer's idea of a $500 wheelset.
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Old 03-02-20, 11:30 AM
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Originally Posted by OBoile
I also own a Defy and the stock wheels/tires are definitely the weak link. But that has more to do with Giant trying to cut costs/keep the price down than it does with disc breaks.
Originally Posted by WhyFi
And it's the smart thing to do. Just throw some place-keeper wheels in there and keep the rest of the spec favorable - I'd be much happier with my own choice of $250 wheels than most bike manufacturer's idea of a $500 wheelset.
Absolutely, I was just really surprised at how heavy the tires were by themselves. And just wanted to point out that a "heavy" disc brake bike won't necessarily hold you back. I think very few people out there are being held back by their bikes, regardless of weight, brake setup, etc.
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Old 03-02-20, 12:17 PM
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Originally Posted by eduskator
According to who and supported by what?
Based on the geometry chart of the bike in question.
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Old 03-02-20, 01:16 PM
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Originally Posted by tomato coupe
Based on the geometry chart of the bike in question.
Giant recommends ML for riders between 5'10'' to 6'2'' and I'm right in the middle! Guess I'll have to keep on getting judged by people who dislikes my stack of spacers. It's OK, I also judge rim brake users that are saying it's better than discs .
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Old 03-02-20, 03:32 PM
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Originally Posted by eduskator
Giant recommends ML for riders between 5'10'' to 6'2'' and I'm right in the middle!
Overall height isn't always the best parameter for determining frame size. The fact that you need 40mm of spacers with that frame is testament to that.
Guess I'll have to keep on getting judged by people who dislikes my stack of spacers. It's OK, I also judge rim brake users that are saying it's better than discs .
It's not a judgement of you.
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Old 03-02-20, 11:07 PM
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Originally Posted by tomato coupe
Overall height isn't always the best parameter for determining frame size. The fact that you need 40mm of spacers with that frame is testament to that.

It's not a judgement of you.
I agree. I am 6’ 1” and ride a 60 cm frame with a13-14 cm stem. According to height bases charts, I should be able to ride a 58 cm frame. A 58 is way too small for me. Long legs and arms make a 58 not usable.
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Old 03-02-20, 11:24 PM
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I'm 6'1" and ride a 58 with a 90 mm stem. There's you go, height doesn't tell you your frame size.
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Old 03-03-20, 12:26 AM
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Another 6'1" here, riding 56cm endurance frame, with 110mm stem. No problems with size and fit.
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Old 03-03-20, 03:12 AM
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Originally Posted by Starbuxx
Another 6'1" here, riding 56cm endurance frame, with 110mm stem. No problems with size and fit.
Don't keep us in suspense man, does it have disc brakes?
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Old 03-03-20, 05:27 AM
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As a matter of fact, it does. It's a Scott Solace 20 2016 with disc brakes, with similar geometry as Scott Addict non-RC disc.
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Old 03-03-20, 10:35 AM
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Originally Posted by Trakhak
here is the point: current road bikes are sluggish pigs due to weight burden of discs, and especially the heavy rims and tires. Plus the high-Q of the current cranksets are biomechanically inefficient, as are wide 142mm chainstays. But if you have to shove 13 cogs plus discs in the rear stays, then I guess you have to go wide in the rear. Plus thru-axles are an unnecessary PITA.
I've got 2 wheels, a Chris king r45 with 3x spokes, alloy nipples and open pro rims. The other is a pair of king R45 6 bolt disc hubs built alloy nipples and velocity aileron rims which are disc specific. The out width of the OP is I believe 19.5mm with no aero profile and weighs 425g while the Aileron is 440g, 24mm wide, 28mm deep and designed to be more aero with a wider more comfortable weight. The weight difference is the disc wheels are 20g per wheel heavier due to the shorter spokes balancing some weight. With the tire profile and aero advantage the new wheels seem slightly faster though the wider tires having a good profile might be the cause and the disc wheels make that possible. Cheap disc wheels will be slugs but that's why there's custom options. And carbon can be made lighter.
Originally Posted by Trakhak
This is a pearl beyond price. No kidding. All of you reading this who sell bikes in a shop should immediately suggest the following change to store policy: when a potential high-end-bike purchaser (or maybe any potential bike purchaser) comes in the shop, instead of asking about budget, ask what target weight the customer has in mind. All the sellers in other shops will still be asking about the target price range, so you'll make them seem like money-grubbers and yourself the like-minded pro, on the same wavelength as the customer. And if you ride a lightweight high-end bike yourself, be sure to mention its weight.
The first question is what are you looking for, not how much or how light. Your worry is weight so your response should be an ultra-light road bike which should lead into a conversation about weight vs cost. Leading with what's your price is just going to make the sales person sound like only money matters and if you don't have enough you won't be treated as well.
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