@Stefan Mikes Drafting is real. Trading off the lead so that the person punching a hole in the wind changes, helps everyone keep a faster pace. It even makes a difference on an ebike.
I ride two or three days per week with a group of lifelong roadies who are in my rather advanced age category. At 70 I am squarely in the middle of the pack age wise. These are inspiring athletes who are aging with fitness, health, grace and humor.
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My first few rides I lingered near the back of the pack, getting accustomed to the pace and learning the ethos of the group and how to ride in a pace line, keeping a steady cadence and rate of speed.
Then on about the fourth ride we turned a corner into a stiff headwind, I moved into the lead, giving the other riders the benefit of my motor. I kept glancing in the rear view mirror to make sure I was keeping a pace that worked for the rest of the group, not forging ahead , with everyone locked in tight. I even sat up straighter and boosted my assist to punch a bigger hole in the wind for the pack to draft behind. At the end of this ride, I was a fully accepted member of the group.
The bike I was riding the most when I joined in was a Riese & Muller Homage, about as far away from a road bike as you can get. It is not the bike that will win you acceptance, it is your attitude and personality. Contribute when you can, be attentive, show respect, be humble, don't make a show of your bike's power or speed, Always join in the end ride beer stop or lunch. It is not the bike that will help you get accepted, it is you. Those social times will present an opportunity for you to share how ebiking has helped improve your health, loose weight, become a better cyclist. All those things will win you respect in return,
I am a fairly alpha type. However it helps at first to keep a low profile at first, listen more and talk less. Open up more as you feel your acceptance is growing.
And now almost three years after joining the group, I am riding a drop bar ebike and loving it.