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Great comparison video!

It’s important to note that the Kaweco Piston Sport takes a different nib than the cartridge-filler Kaweco Sports. You can buy replacement nibs for the Piston sport, but you CAN’T use the nibs from your other Sports in the Piston Sport. You also can’t purchase a gold nib for the Piston Sport (at least, not yet!) I think that the nib for the TWSBI Mini is the same nib used on the TWSBI Eco.

Very good review and comparison. I hope you make more content, because your review is thorough and useful. Subscribed !

Very well researched and composed video. I got mine today in my nib here in New Zealand for $328NZ with starter kit . Also got Twsbi 580 Mini in Grape for $124NZ. Looking forward to more exceptional videos like this from you. Keep up the good work.

traveler's brass is a metal fountain pen. :)

Very well presented and you now have a new subscriber 😁 I agree with all you say and am also the proud and happy owner of many Kaweco Sport and TWSBI fountain pens. In fact, while you were giving your review just now, I was doing a little maintenance on my TWSBI Diamond Mini AL in Grape in preparation to refill it with a new ink. I have many many and dare I say many more fountain pens collected over the last 59 of my 70 years. Some I have paid absurd amounts of money on and others, like the Kaweco and TWSBI's, a modest amount. In general, for consistency I would have to give the gong to TWSBI. I've never received a TWSBI that hasn't written first go every single time whether I just put it down or it was 'resting' for a month. My Kaweco's don't give the same consistency, but on the whole they beat the pants off the Conlon, Elisee, Pelikan, Pilot, Sailor, Waterman etc etc for consistency. I received my Kaweco Piston in the mail this morning (Monday 24th) so have enjoyed getting to know it. I've waiting weeks for it's arrival - alas, it seems it's taken longer than expected for them to filter down to Australia. A truly beautiful pen that writes so well, altho I have to now find out why it keeps dripping ink. Not to worry, I live for pen trouble shooting these days, and it's cold enough not to want to do much outside in any case. Whato, thank you again for your delightful review. I shall look out for other you have done now. Have a wonderful week. 🇦🇺 🖋

Are you able to separate the nib from the feed. I would like to do that for deep cleaning as I’ve been burnt by dirty nib units lots of times. Thanks in advance.

I would really love this Piston Filler in rich green or olive with its gold nib and trims.

Excellent and thoroughly thought out video! I hope Kaweco considers making a brass piston sport, that’s become my favorite sport model. Also I somewhat disagree with you on branding. The Kaweco is maybe more subtle, but it’s also more heavily branded. The TWSBI is branded on the top finial, cap band and nib. The Kaweco is branded on the top finial, cap body, nib and feed, and the piston knob.

The Kaweco Piston Sport is clearly a better pocket fountain pen by virtue of being aluminum while Twsbi is acrylic and prone to cracking, but the price is utterly insane for what it is, Twsbi is better value for the money in my opinion.

Twisting the cap when posted does indeed move the blind cap. That is a good thing because it acts as a holder for the blind cap that can be screwed back on by twisting in the opposite direction. That way you don't lose the blind cap when filling.

Because it's german and that's how Kaweco pronounce it - duh.

I got mine today. Love it and I agree that a size 6 with silver trim would be cool!

I just got my Piston Sport (medium) yesterday, inked it with Kaweco Royal Blue during my lunch break today. Very nice, smooth nib, ink flow at the upper end of my preference. I like the weight compared with my other Kaweco pens: Three Ice Sports, two Lilliputs, all but one of them F nibs, one M. The blind cap was loose out of the box, but snug it up and it doesn't appear to loosen while writing. I like it a lot, and not just because I tend to like piston-fillers in general.

Won't capping the pen, scratch it? Nice video.

I want these pens !!!

Very well done review. I'm going to pick one up but I can't find a nib comparison. Ex fine or fine? Grind a M to italic? .....?

Is the plunger/cartridge replaceable?

Just got the piston sport in broad. Would have preferred medium but where I got it they didn't have any left. I have a TWSBI Diamond mini rose gold in broad and it writes perfect so I felt good about ordering a broad. When I first inked it up it was so wet, feathering really bad. I experimented with different inks, using Diamine Earl Grey and now it writes like a charm. Also about the blind cap, I just screwed it on very tight and don't twist when i'm unposting and that has seemed to solve that issue.

Great overview and first video! I’ve seen many people complain about the blind cap coming off accidentally. I wonder if kaweco will consider a step down in the future, so the cap liner engages with the trim ring instead of the end finial.

I really love this in-depth review and appreciate the chapters. It is so helpful when creators do this especially for longer videos. I was on the fence about getting this pen because I wanted to wait it out for a different color, but I have to have it now! Awesome first video. Looking forward to more!

Why do people call it KA-VE-CO and not the way it is spelled "KA *WE* CO ??

Enjoyed the video and Review especially for a first video! not sure if you want feedback

Wow as a first video this is really impressive and a really good and insightful review!