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Travel 120mm Carbon Hardtail Frame Dear All:

Have a nice day.

Spcycle plans to develop molds for travel 120mm hardtail frame. The frame will be manufactured using EPS latex technology.

The following are the design requirements

1, Head Tube: 1-1/2" (52mm) above and below
2, Bottom Bracket: Threaded BSA 73 (BC1.37*24T)
3, Seatpost Diameter: 31.6mm
4, Rear derailleur hanger: UDH
5, Cable: Compatible with full integrated and semi-internal cables
6, Brake: Post mount disc brake, maximum 180mm rotor.
7, Max Tire Clearance: 29er*2.4''
8, Chainline: 55mm
8, Max Chainring: 40T
9, Dropout: 148x12mm Boost

For geometry. Looking forward to all friends to provide suggestions.

Many thanks.

Spcycle
August 24, 2024, 01:44:08 AM 		1
Re: Travel 120mm Carbon Hardtail Frame Another underserved market that could be interesting is the light trail hardtail market (120-130mm travel). A lot of the big bike brands have gone all in on full suspension downcountry bikes, so there are very few of these carbon bikes that actually have a “modern” geometry (e.g. hta~66.5, sta >75).

Off the top of my head, I can only think of two carbon light trail hardtails:

Yeti Arc
Ibis DV9

The caveat to this is that these bikes need to have wider tires (29x2.6) which compromises the max size of the chainring.
August 24, 2024, 11:46:50 AM 		1
Re: Travel 120mm Carbon Hardtail Frame
Quote from: Square_Cookies on August 24, 2024, 11:46:50 AM
Another underserved market that could be interesting is the light trail hardtail market (120-130mm travel). A lot of the big bike brands have gone all in on full suspension downcountry bikes, so there are very few of these carbon bikes that actually have a “modern” geometry (e.g. hta~66.5, sta >75).

Off the top of my head, I can only think of two carbon light trail hardtails:

Yeti Arc
Ibis DV9

The caveat to this is that these bikes need to have wider tires (29x2.6) which compromises the max size of the chainring.

Head tube angle 66.5°
Seat tube angle 75~76°
This is the same idea as ours.
We are considering which is more important, larger tire clearance or larger chain ring. If the tire clearance is increased to 2.6'', the largest chain ring may only be 34T (chainline 55mm crank)
August 26, 2024, 09:20:40 PM 		1
Re: Travel 120mm Carbon Hardtail Frame What is the timeline on this? This is similar to what I am looking for.
August 27, 2024, 11:53:49 PM 		1