StagesBike SB20 Smart Bike: Unboxing, Building, Sizing // Part I

The Stages StagesBike SB20 Smart Bike is now shipping and has landed in the Lama Lab. Today’s video will cover the unboxing, build, and bike fit. I’ll follow this video up with Part II and III covering the software configuration and finally an overall ride experience video after I’ve clocked up a few 100km on this smart bike. This bike currently retails for US$2899.

Technical Specifications:
Wireless transmission: 2.4 GHz, ANT+ and Bluetooth® Smart
Accuracy: +/-1.5% of measured power
Control type: Electronic and manual
Max resistance: 300 W at 40 rpm, 1500 W at 120 rpm
Max weight: 300 lbs. (136 kg)
Height range: 4’10” – 6’10” (1.47 m – 2.08 m)
Power max rating: 6.25 W, 150 V
Max braking force: 120 Nm
Crank Lengths: 165 mm, 170 mm, 172.5 mm, 175 mm
Q factor: 155 mm
Handlebar Clamp: 31.8 mm
Handlebar Width: 420 mm (C-C, at the hoods)
Saddle: Stages cutout saddle. 148mm wide.

 

Links:
StagesBike Official Site: https://bit.ly/2W0lgc4

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GPLama

Shane Miller

10 thoughts on “StagesBike SB20 Smart Bike: Unboxing, Building, Sizing // Part I

  1. Hey Shane,
    I notice you have gone quiet on this one.
    Have you gotten past some of the firmware related issues with ERG mode and shifting?
    Also, very curious about downhill experience and maintaining momentum with the heavy flywheel.

    1. I’ve discussed this quite a lot on livestream where things are at. Stages have not finalised the firmware and apps to for the gear customisation or status on the SB20. I had assumed since these bikes were shipping to the public, it was ready. ETA end of May. Ball is with Stages on this one.

      1. Thanks Shane.
        I have one on the way. So, I guess I will be a beta tester for Stages soon. :s

  2. Shane,
    Really looking forward to your ride review (part 2) of the Stages SB20. Can you give us an idea when you think you will be posting It? BTW thanks for the great work.
    Adrian

  3. Shane- I just picked up the Stages bike from a store in San Diego, CA. I’ve been playing around with it the last couple of days and I noticed that when in ERG mode on Zwift (been doing Zwift for years on a Wahoo Kickr trainer) it’s not keeping the power at the right resistance level. For example, when I set it at 180 watts, it kept jumping from a low of 154 to a high of 225 despite my steady pedaling. Firmware is updated and I tested it out on an iPad pro and a PC (ANT+ and Bluetooth on the PC) and the wide watt variation keeps occurring. I submitted a support ticket to Stages yesterday along with a video I made of the problem. Have you seen this happen in ERG mode in your testing? Thanks!

    1. The firmware and apps aren’t finalised (I assumed they were as the bike was shipping…..). Stages tell me EOM for these updates at which time I’ll continue riding and testing the bike.

    2. Hey Matt,
      I have had similar problems and submitted a ticket as well. I have also used a Kickr for the past 5 years.
      There is a new version of the Stages Link app (v2.7.0) out and it supports some configuration and an updated version of the Stages Bike firmware. I have not tested it with an ERG session on Zwift yet but will let you know when I do.

  4. Shane I have been considering the Stages and Kicker bikes. I don’t feel that grade change on the Kicker is a big deal. I already train indoors up to six days a week without grade changes. What does stand out to me is build quality. When I look at the frames of the two bikes and take into consideration the history Stages has in the gym environment I am leaning toward the Stages.

    I notice that you are spending more time on the Stages bike. Is this just due to extended testing or preference? What stands out most for you between the two brands?

  5. I’m very curious to learn how well each of the indoor trainers can be configured for triathlon positioning (80° seat tube angle and aerobars). Appreciate the reviews you’ve been doing.
    Cheers

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