The Sour Cumble is a 4130 chromolly steel trail hardtail from Sour Bicycles, based in Germany. They recently announced they'll be manufacturing all their MTB frames in Germany moving forward. Today we take a first look at this frame (this particular one was made in taiwan) to see what makes it tick.

Products in this video:
Sour Crumble Frame: https://bit.ly/3oRA7E0
Frozen Grips: https://bit.ly/3r3fdoi
Roost Titanium Riser Bars: https://bit.ly/3nIJg2v
Roost Dominator Ti Stem: https://bit.ly/32r7Yfz
Roost Nero Pedals: https://bit.ly/3HPkk15
Ignite Catalyst Cranks: https://bit.ly/3oMkNsk

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