Bikes and Bike Designs

Created by Louis Roland on 16 July, 2018

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29"/28"/700C Gravel Bike, City Bicycle with Custom Mountain Bike (MTB) Frame Geometry.

Rait Sepp
Rait Sepp
11 Mar, 2024 07:57 AM

29"/28"/700C Gravel Bike, City Bicycle with Custom Mountain Bike (MTB) Frame Geometry. Design of a Hybrid bike for self-build. Bike with hydraulic brakes, 1-Speed belt drive and rigid fork.

My thanks goes to the GrabCAD designers for the following components:


Seatpost by Spencer Beckett

Seatpost clamp by Rik Elmendorp

MTB Grip by Kamil Podolak

Brakes and Handlebar by Terho

Thru axles and Wheels by max morozov

Headset by SG

Stem by Henk Kommers

Drivetrain by Tomasz Gawroński

Pedals by Jonathan Brazeau


Thank you all! These really helped me to design this frame and fork!


One big mistake I got pointed out is the regulation of the rear dropout. The brake pad should be moving with the rear axle, but my mistake was to make it stationary with the frame. Rookie mistake I will learn from it. What are your thoughts of this design?




 
tony webb
tony webb
Mar 11

I like it, what's the end goal, production?

 
Rait Sepp
Rait Sepp
Mar 11
tony webb I like it, what's the end goal, production?

Thank you! End goal is learning experience. I want to make it from AISI 304 stainless steel too. I know it's an awful material for bike, but It's a material I get my hands on at my workplace. Also I have over 10-years experience TIG-welding stainless steel. This would be like the one-time exponation of my design skills, welding skills also fixturing skills. I want to use my siegmund welding table not some custom made bikeframe fixture for this. I already have 2 bicycles I love to ride daily, one SCOTT city bike and one KONA mountain bike. So the goal of this project isn't some super effiecent production bike.

 
tony webb
tony webb
Mar 11

I watched a video a while back of 304 frames in Korea, I hope you build and post pics.

 
Rait Sepp
Rait Sepp
Mar 11
tony webb I watched a video a while back of 304 frames in Korea, I hope you build and post pics.

I got that video recommended too. I definitely will document my process.

 
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