As someone who worked in biked shops for 12 years, I've ridden just about everything, except for Campy electronic. My last road bike had Ultegra 11 sp mechanical, and it shifted flawless. That being said, my next road and mountain bike will have SRAM wireless on them. Less maintenance, simple setup, and can almost be installed on any bike. With the new Shimano Di2, you still have a battery wired to a front and rear derailleur, so installation is a little bit more challenging.
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I have Sram AXS 2X and it's really great. Especially the installation and the shifing design. Haven't used Shimano, but I imagine the actual shifting performance is similar. My wife especially loves the AXS, while I just like it a lot. Is it better than manual? yeah, maybe, but it's not like it's a night and day performance upgrade. I got it for our bikes just because - in our late 60s, it was either try it now, or never. No regrets, however...
Is it worth the cost difference? No. I easily afforded it, but if I couldn't, I wouldn't sacrifice anything for it. I'd get top end mechanical for fewer $ a;nd lighter weight. I wouldn't have it for my one and only bike. Sure it's reliable and doesn't require much if any maintenance. But if something goes bad, parts generally aren't readily available and they're expensive. That would be fine at home especially if you had another bike to ride for however long it took to get parts. But, we do multi-month RV trips far away from home and used to take our electronic "best" bikes with us. But last year, I bought the least expensive Salsa gravel bikes from REI to keep on the RV (BTW, the perform perfectly and are fun to ride). Why? Because where we travel, we couldn't possibly get replacement parts, even batteries and chargers, easily or quickly. Whereas, with a fully mechanical bike - shifting and brakes - you could get adequate replacement and maintenance parts almost anywhere we travel. Everything from chains and cables, to inexpensive shifting or brake parts. So if you have only one bike or do bike-critical long trips away from home, you might want to stick with high end mechanical. Since we have multiple bikes at home, it's great having one be electronic, and I'm glad we have them. Again, haven't had any problems and they've both worked perfectly with no post-installation (myself) adjustments needed. So pretty much carefree except for my concern about repair and replacement. |
Originally Posted by aliasfox
(Post 23066556)
I've never gotten the romanticism of a clutch, least of all in-town or in traffic..
You won’t be faster though. And I say this as someone who’s only driven EVs with no gearboxes at all for 9 years |
Originally Posted by cweb99
(Post 23065484)
I’m getting a new bike soon and debating on electronic or mechanical shifters. Staying with Shimano brand. I’ve read some articles but would like to hear from ppl here. I ride for fun and exercise not competition
For me Shimano Di2 is great if you are already a Shimano person, want the best battery life, and the best overall shifting and braking. SRAM AXS is great if you want lower price points, more gearing range, the ability to mix and match road/gravel/MTB, want hot swappable batteries, and want the ease of installation. |
Originally Posted by Camilo
(Post 23069637)
I have Sram AXS 2X and it's really great. Especially the installation and the shifing design. Haven't used Shimano, but I imagine the actual shifting performance is similar. My wife especially loves the AXS, while I just like it a lot. Is it better than manual? yeah, maybe, but it's not like it's a night and day performance upgrade. I got it for our bikes just because - in our late 60s, it was either try it now, or never. No regrets, however...
Is it worth the cost difference? No. I easily afforded it, but if I couldn't, I wouldn't sacrifice anything for it. I'd get top end mechanical for fewer $ a;nd lighter weight. I wouldn't have it for my one and only bike. Sure it's reliable and doesn't require much if any maintenance. But if something goes bad, parts generally aren't readily available and they're expensive. That would be fine at home especially if you had another bike to ride for however long it took to get parts. But, we do multi-month RV trips far away from home and used to take our electronic "best" bikes with us. But last year, I bought the least expensive Salsa gravel bikes from REI to keep on the RV (BTW, the perform perfectly and are fun to ride). Why? Because where we travel, we couldn't possibly get replacement parts, even batteries and chargers, easily or quickly. Whereas, with a fully mechanical bike - shifting and brakes - you could get adequate replacement and maintenance parts almost anywhere we travel. Everything from chains and cables, to inexpensive shifting or brake parts. So if you have only one bike or do bike-critical long trips away from home, you might want to stick with high end mechanical. Since we have multiple bikes at home, it's great having one be electronic, and I'm glad we have them. Again, haven't had any problems and they've both worked perfectly with no post-installation (myself) adjustments needed. So pretty much carefree except for my concern about repair and replacement. |
Sram wireless is simply the best out there. Shimano sticks with wired front and rear derailleur and I really don't understand why when a full wireless system is so much better and I might say superior. The only flaw with Sram wireless is the brakes. I don't like having to use Dot fluid plus their brake system is a PIA to bleed. The Shimano brakes are superior in every respect and for that reason my choice is Shimano Di2.
However if it were possible to mix the two the best electronic drive train would be Sram shifting and Shimano disc brakes. If Sram were rim brake compatible, well that would simply be at the top of the electronic heap! |
You can still buy sram red shifters that work with rim brakes or cable operated disc calipers. I had the force mechanical levers, but they have been discontinued. The latest bleeding edge calipers on force and red are easy to bleed. I don't have any complaints about DOT 5.1 fluid either. I have the bleed kit that sram sells. It works just fine.
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Originally Posted by TiHabanero
(Post 23071698)
Sram wireless is simply the best out there. Shimano sticks with wired front and rear derailleur and I really don't understand why when a full wireless system is so much better and I might say superior.
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AFAIK Shimano intentionally went with semi wireless because of battery size - the larger battery allows more powerful (ie faster-shifting) motors while maintaining reasonable battery life. There's a limit to how much battery you can hang onto a derailleur. Is the difference in shifting speed significant? Don't know, although I doubt if any SRAM user lost a race because their shifting was 0.1 sec slower than that of their Di2-using competitor. Still, I don't think Shimano's decision to go semi-wireless is because they couldn't hack full wireless. Bluetooth connectivity isn't rocket science - hell, if the Italians can do it...... (have driven enough Fiats to have realistic expectations of Italian electronics prowess :lol:)
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Originally Posted by Camilo
(Post 23069637)
. But if something goes bad, parts generally aren't readily available and they're expensive..
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Originally Posted by 13ollocks
(Post 23072289)
AFAIK Shimano intentionally went with semi wireless because of battery size - the larger battery allows more powerful (ie faster-shifting) motors while maintaining reasonable battery life. There's a limit to how much battery you can hang onto a derailleur. Is the difference in shifting speed significant? Don't know, although I doubt if any SRAM user lost a race because their shifting was 0.1 sec slower than that of their Di2-using competitor. Still, I don't think Shimano's decision to go semi-wireless is because they couldn't hack full wireless. Bluetooth connectivity isn't rocket science - hell, if the Italians can do it...... (have driven enough Fiats to have realistic expectations of Italian electronics prowess :lol:)
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Originally Posted by PeteHski
(Post 23072475)
SRAM doesn’t use Bluetooth for shifting. They developed their own proprietary, secure, fast, low power network. They only use Bluetooth for connection to the phone App for setup and firmware updates. This suggests that Bluetooth didn’t cut it for the shift comms.
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I use well tuned SRAM systems, both electronic and mechanical. There is no real difference in shifting quality: almost 100% crisp shifting with both. Electronic requires less finger power to shift and 2 synchronized ways for front and rear (not huge advantages), at the expense of keeping an eye on charging the batteries of the derailleurs and changing the batteries of the shifter.
Both are very good, but there is a question mark for mechanical shifting: for how long will SRAM / Shimano will sell spare parts? |
Originally Posted by PeteHski
(Post 23072475)
SRAM doesn’t use Bluetooth for shifting. They developed their own proprietary, secure, fast, low power network. They only use Bluetooth for connection to the phone App for setup and firmware updates. This suggests that Bluetooth didn’t cut it for the shift comms.
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Originally Posted by 13ollocks
(Post 23072630)
campagnolo wireless shifting is Bluetooth-based, according to campagnolo. SRAM may not use BT, but it certainly appears to be adequate for the purpose.
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I love my Ultegra 12sp Di2. My Canyon Endurace came with it installed/setup and they must have gotten it right at the factory because it shifts beautifully, I've never touched it. After about 1000 miles it's still shifting flawlessly. I guess you can call me a Di2 fanboy.
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Originally Posted by PeteHski
(Post 23073001)
That's a good point. Maybe BT is fine, but SRAM must have had a good reason to develop their own network. Electronics is not really my field, but I don't like the Shimano wired solution. It seems unnecessary and makes installation/maintenance much harder work. I fully expect Shimano to go wireless sooner or later. I think it is almost inevitable.
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Originally Posted by Steve B.
(Post 23073013)
Having a single very large (ish) battery for 2 shifters is a good alternative to 2 smaller batteries that would need charging more frequently. With the Shimano system, once installed (and sometimes that’s done on a new bike), you don’t ever deal with the internal wiring). Yes a SRAM system is easier to install if you are doing the work, but I’ve installed 2 Di2 systems and it’s never difficult. Shimano got smart making the road shifters wireless, but in use, both systems work well and are pretty much maintaince free.
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Originally Posted by PeteHski
(Post 23073001)
That's a good point. Maybe BT is fine, but SRAM must have had a good reason to develop their own network. Electronics is not really my field, but I don't like the Shimano wired solution. It seems unnecessary and makes installation/maintenance much harder work. I fully expect Shimano to go wireless sooner or later. I think it is almost inevitable.
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I switched from rim brake to disc brake over 3 years ago. No regrets. The biggest improvement is being able to have 28-35mm tubeless tires on wider 25mm IW hookless rims that need far less pressure. It makes a big improvement in the ride. Right now I'm using 28mm front and 30mm rear with 55 psi in both, on 3 bikes.
I used Campy for 25 years, but switched to SRAM AXS in 2020. It shifts every bit as well and it's far less trouble compared to internally routed cables. |
This is not a common opinion, but I actually quite like Shimano's half wireless setup. It's only at the shifters where I see wireless mattering at all and the wired bits are going to be all internal in most frames anyways. That said, I'm plotting my next build and actually planning to run fully wired 12sp Di2. Since there's no more A-junction to worry about, all it takes is 2 extra wires and they'll only have to be routed once. That seems like a good tradeoff to me for never having to worry about coin cell batteries and having the same exceptionally long battery life as 11sp setups do.
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Originally Posted by lasauge
(Post 23073842)
This is not a common opinion, but I actually quite like Shimano's half wireless setup. It's only at the shifters where I see wireless mattering at all and the wired bits are going to be all internal in most frames anyways. That said, I'm plotting my next build and actually planning to run fully wired 12sp Di2. Since there's no more A-junction to worry about, all it takes is 2 extra wires and they'll only have to be routed once. That seems like a good tradeoff to me for never having to worry about coin cell batteries and having the same exceptionally long battery life as 11sp setups do.
I certainly like the Ultegra Di2 I have on my road bike. While it has wireless shifters, I like that I don't need to keep two separate derailleur batteries charged up. I'm not saying that makes it better than a fully wireless system. Just that it is a positive in the wired system's favor. In the end, I'm going to chose the product I want to ride and use regularly, and don't put much weight on whether it takes a few hours more to install it. |
Having two batteries is nothing to complain about if you have two chargers. A full charge only takes an hour. I always carry a spare, so I'll never be without power. On a hilly 46 mile ride with over 3500 feet of climbing, I made 12 FD shifts and 450 RD shifts. My usual summer week is three 52 mile rides. I recharge every week, just to be safe.
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Originally Posted by eduskator
(Post 23066462)
One is better than the other. One is more expensive than the other.
People trying to convince you that mechanical is better would probably also tell that a Porsche with a manual transmission is faster and better than a PDK one. No one comments much about the downsides of electronic shifting. When things break, which happens. The down time for simple things that would not happen on a mechanical system. Then there is high cost of systems (and spares, cables, etc), compatibility, proprietary parts and firmware, no component level repairability (no right to repair), battery shelf life, etc... $$$$ Which leads to what made this all possible, cyclists willful acceptance of the planned obsolescence model, and the consumerism mindset. Got to get a new bike as it will make me faster! The marketing man said so! So now we have throw away electronics and bikes, frames with proprietary parts. One of my bikes have C-Record from 1993. Still shifts like day one. The best part is that till this day, I can tune it and get every part (NOS/used) to maintain or rebuild it. Get an electronic groupset today, out of warrantied parts are just binned. Go buy it again, rinse and repeat. |
Originally Posted by eriku16
(Post 23074181)
Which leads to what made this all possible, cyclists willful acceptance of the planned obsolescence model, and the consumerism mindset. Got to get a new bike as it will make me faster! The marketing man said so! |
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