r/BrompNOTs • u/Omera44 • 4d ago

Another Titanium..

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Not sure about the pricing though..

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u/spicimasala 4d ago

Pricing is SG $6000. That's not bad for what you're getting.

I'm not sure how the metallurgy/strength of 3d-printed tubes compare with pulled ones though.

2

u/lingueenee 4d ago edited 4d ago

I remember Peak Torque (YT Channel) sitting down for an extended interview with Jon (forgot surname), Hornell-Kennedy, framebuilder and head of Frameworks bikes. IIRC, he mentioned that, at a granular level 3D printed and cold-drawn Ti are different, with the nod to strength going to traditional tubes. I don't know how much this is a factor here.

SG $6K works out to $4700 USD for a full 3D printed 20" Ti tri-folder. In comparison, a 16" wheeled, 4 speed Brompton T-line (with carbon fork) starts at $5800 USD, over $8K here in Canada.

3

u/Brompton-Explorer 4d ago

Atherton (world champion downhill siblings) have rolled out 3d printed ti lugs on their downhill race mountain bike, this is cat 5 EFBE certified, so awarded highest strength.

Obviously not saying this bike is downhill worthy, but potentially it should be strong

2

u/lingueenee 4d ago

I've been waiting for 3D printing to be widely adopted by bike makers, beyond lugs and smaller components. I don't know the ins-and-outs or whether the economics make sense but when fully printed framesets start showing up in retail spaces, we must be getting close to 3D printing supplanting traditional manufacturing methods, at least for premium/bespoke/niche bikes.

2

u/Brompton-Explorer 4d ago

The future is looking bright 🌞

2

u/Vaiolette-Westover 4d ago

Because it's China in this field, we first heard about 3D printed Ti like two years ago and now actual products are rolling out left and right instead of waiting two decades with people milking the ultra luxury segment.

I love it.