Just How Much Better Is Electronic Shifting? | GCN Tech Clinic

Just How Much Better Is Electronic Shifting? | GCN Tech Clinic

We’re back in the GCN Tech Clinic this week with Ollie – as Jon is snowed under! Answering your questions on bottom brackets, shifting options and bike waxing and much more, remember to submit your question using #askGCNTech.

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Readers Comments (50)

  1. #askGCNtech Hi GCN, my Sora R3000 groupset can shift up the cassette by three gears but only on the small cogs (11-16), on the bigger cogs it will only shift two gears. The third click can be forced by pulling the cable by hand. Tightening the cable just ruins the indexing.

  2. Huh, what’s wrong with 10,000k a year?

  3. Calliope Georgousi January 14, 2021 @ 10:41 pm

    Would you recommend having an electronic or mechanic groupset for audax rides? Assume I wouldn’t be able to fix my groupset.

  4. Michael Konečný January 14, 2021 @ 10:42 pm

    Kudos for pronouncing Konečný correctly! 👍😁

  5. Some frames, especially with IS2000, have minimums for rotor size. That is, a smaller won’t be aligned with the calipers.

  6. my concern with electronic shifting is its battery life i love long rides but i dont want a sudden not able to shift

  7. Ollie, are you reading these answers from that laptop? Great show btw.

  8. Made the calculation post upgrading to electronic shifting ten times at least. Upgrade is just not worth the upgrade cost. Better to wait until you need a new bike or if possible at least trade in and buy new. When buying new I’d certainly get electronic gears.

  9. Imo the cost of Di2 doesn’t outweigh the benefit of manual shifting. Maybe just close your wallet and learn how to shift. Cheaper.

  10. Martin Mascarenhas January 14, 2021 @ 10:53 pm

    I have a 75 dollar hybrid bike without gears can you help me with mods #askgcn

  11. Speaking as a casual cyclist with a sub £200 bike, an electric shifter would completely ruin the mechanical appeal of cycling for me. I feel it’s not in the same category as digital speedos or LED lights — just an unnecessary gadget adding expense and complication to a sport that — to me at least — is all about how far and how fast humans can travel under our own steam, using power generated only by our muscles. On an e-bike I would understand any amount of electric gadgetry to make riding more comfortable.

  12. Genaro Francis Tabag January 14, 2021 @ 10:55 pm

    Hi, I have an invention to offer…It is a gearing system that instantly shift to extreme speed and extreme torque..it it the
    UNIQUE BIKE GEAR SYSTEM https://www.youtube.com/watch?v=aACI47bIvvk
    UNIQUE BIKE GEAR SYSTEM ADVANTAGES …https://youtu.be/cYt-d4RA52g

    For the latest design of the UNIQUE BIKE GEAR SYSTEM (very confidential design) all parts are available on bike stores. It is do it yourself (DIY) installation wherein all the parts can be installed to common bike frame within 1 hour or less. There’s no need to modify the bike frame.

    We can make a business : " Installation Of The Invention To Common Bike "
    The total cost of parts to be installed per bike = 12 usd
    The total labor cost for installation = 30 usd .
    The total amount for material and installation = 12+30= 42 usd. We can share 50 / 50 from profit = 30/2 = 15 usd.
    Who wants to invest ?

    Note:
    I did not show yet my final design/prototype…very confidential.
    The final design is 40 % reduced in manufacturing/assembly of these parts because i was able to reduce more the parts and improved the location. All parts are already available on market, DIY assembly in just 1 hour .

    I hope you are interested…

    Engr. Genaro Francis Tabag
    email: tabagfrancisdaimler@yahoo.com

  13. Has GCN got a ROKU channel–or plans to launch one?

  14. #askgcntech I have bought a new carbon Fibre deep section wheelset and fitted Vittoria Corsa Speed TLR tires. Wheels, rim tape, valve and tires are tubeless ready. Tires seems to be seated properly. However after inflating I have some sealant gradually creeping out between tire and rim and a pressure loss of 1 bar over 24h. Is that normal/acceptable with tubeless set ups?

  15. Ollie has no idea what he’s talking about. Most of this is shit and anytime it involves science he is completely wrong.

  16. Temple Under Construction January 14, 2021 @ 11:00 pm

    Great answers. Thanks not Jon

  17. In watching 2020 racing videos I’ve already seen, on two occasions, riders having to change out bikes due to electronic shifter malfunction. Pro teams are given these expensive technologies to advertise them. Then channels, who are sponsored by manufacturers, push the public to consume these expensive technologies. When you can’t buy legs you buy everything else! Correct me if I’m wrong but isn’t CGN Tech sponsored by SRAM ?

  18. That bb is killing you. Get a Hambini and be done with it.

  19. Wheels > Electronic shifting. $1,300 wheel upgrade will be far more performance and make your bike look a lot better!

  20. Hello GCN, recently I’m looking for goggles. But I’m nearsighted. Could you please give me some advices. Thanks a lot 😆 #askgcntech

  21. I known this is an old by now, but I find your answer a little facetious. A person using a bike to commute to and from work, for a a 40 km round trip, 20 to and 20 from work is not in The Netherlands unheard of. If said person works for 52 weeks x 5 days a week that is 260 days. If we subtract 30 days of holidays we get 230 working days a year 230 x 40 km = 9,200 km. If he also uses his bike in his free time, as he stated that he does, ("sportives like Les Trois Ballons,") then 10,000 km a year is not unrealistic. I am not saying that the man actually does that, but maybe an answer that takes the 10 000 km a year seriously would have been appropriate.

    P.S. I myself commute 8 km (4 km to and 4 km from) daily on the above mentioned schedule. That puts me at 1840 km a year which is way more than you 10K jibe.

  22. I asked GMBN about this as well: What is a gravel bike I can take on most MTB trails? What are some numbers I should go for? I don’t really understand the chainstay length and stuff and what they mean. I’m just never a fan of using the right tool for the job. So yeah, any suggestions? It doesn’t have to be double black either, probably green and blues.

  23. What is Jon doing using a selfie stick? He is so not that type, that snow must have seriously affected his judgement.

  24. Konstantin Volkov January 14, 2021 @ 11:07 pm

    Crashed my caad12 ultegra and get an cannondale supersix exo di2 ultegra …. it’s so awesome!!!

  25. I am looking for a set of race wheels. Are tubes still a thing or do I go for clincher wheels? thanks! #askGCNTech

  26. Wax a carbon fiber bike? Sure but make very sure that a cleaner wax is NOT used. Cleaner waxes have clay in them so the user can remove caked on grime but with carbon fiber, the outer coat of carbon fiber can be at risk. If this is a problem, then soapy water and very gentle scrubbing is a good solution. Then a high quality wax like Collinite 476S, a pure paste wax, or one of the spray waxes can be used.

  27. Thats my 1st GCN TECH I ever watched and is great ! Ollie is my fav GCN guy and Im very happy to see these dude really got some knowledge and know what he’s talking about. There so many posers in internet/youtube who show themself as pro but when it comes to the point they ended with mouth dropped and nothing to say. Cheers Ollie my man 🙂

  28. Electronic shifting has a stupid motor noise in the deraillieur and batteries that have to be changed. You get disadvantages and pseudo benefits for a lot of money… But go for it and buy this stuff, if you think you need it.

  29. It’s electric shifting, for it to be electronic there could be no moving parts!

  30. Guybrush Threepwood January 14, 2021 @ 11:12 pm

    I have both 6770 di2, and r8000 ultegra, Di2 is nice, but it’s not life changing. I don’t really pay much attention to the shifting of either, they are both great, mechanical these days is very smooth and accurate.

  31. To expensive. No thanks

  32. Can you upgrade the groupset on a trek sl 1000 , from tiagra 8 speed to a shimano 105 11 speed?

  33. Hey Jon i have a 2006 trek with old ten speed. All my mates have di2 set up on there bikes but they cant keep up with me my point is electric gears don’t make a difference it’s all about the rider and his physical fitness

  34. Fixedgeardisciple January 14, 2021 @ 11:16 pm

    Makes me not want to watch GCN anymore. No Offense Ollie. YOUR A DOUCHE BAG!

  35. A world of difference. I’ve had zero front derailleur chain drop and zero misshift on the rear. I can shift from 11t to 28t while climbing out of saddle up hill in one push.

  36. Response to Varga – Derailleur hanger may be slightly bent and this could be stopping precise shifts to smallest cog…

  37. One of my brake levers feels rough, does it need lube? It’s my first road bike with mechanical discs.

  38. Well that was a misleading title.

  39. 10 000 K as in Km

  40. 10 000k a year is 10 000 kilometers a year. If one think the k is kilometre instead of kilo.

  41. The answer to the BMC is actually that bikes shipped with Shimano groupsets come with the direct mount dropouts while the ETAP groupset has a traditional hanger.

  42. Anyone else think Ollie is superb presenter.

  43. 105 R7000 is great
    8050 Di2 is great too~

  44. Sweet Candy Suga Army January 14, 2021 @ 11:31 pm

    GCN TOWERS?! Are you guys like The Avengers of the cycling world? 😂

  45. #askgcntech hi I just ordered a triban rc120 rim braked version from Decathlon (entry level road bike)
    Just asking if this bike is worthy enough for some races or bikepacking

  46. Ser Garlan Tyrell January 14, 2021 @ 11:33 pm

    When a tire is quoted as "25mm" or "28mm" etc, on what width rims are these measured?
    I currently have Giant gavia "25mm" tubeless tires on 17mm (internal) rims, however when measured they only inflated up to 22.8mm (@ 80psi), but would Continental or Schwalbe tires do the same?
    Is there a way to know what width (and height) a specific tire will expand to to check it will fit the clearance of my 2017 TCR frame, before spending £100 on tires only to find they are either just as narrow or else rub? #askGCNTech

  47. where exactly you discuss "Just How Much Better Is Electronic Shifting?" ?!

  48. great job Ollie — well done holding the fort single handed!

  49. 6:15 Same problem here, bike from this year.

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