Carbon prototype made in GermanyThe True BC Knuth melts enthusiasts away

Jan Timmermann

 · 29.01.2026

It doesn't get any more exciting than this: after the True BC Knuth, some bike nerds will be licking their lips.
Photo: True BC
Even die-hard bike nerds are craning their necks after seeing the True BC Knuth. The carbon trail bike with chain deflection is still in prototype status. We have the first information on the handmade True BC Knuth eye-catcher bike.

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True BC has long been known for its exclusive carbon wheels made in Germany. Now the small boutique label is presenting its own carbon frame. Naturally, this is also manufactured by hand in Germany. The sensational True BC Knuth is still a one-off. However, the first small series production could start this year. The prototype is the personal dream build of True BC mastermind Dominik Heinstein. We know the first details about the black and orange beauty.

The True BC Knuth relies on 135 millimetres of suspension travel from a high-pivot rear triangle with chain deflection.Photo: True BCThe True BC Knuth relies on 135 millimetres of suspension travel from a high-pivot rear triangle with chain deflection.

The True BC Knuth in detail

  • Range of use: Trail / Allmountain
  • Wheel size: Mullet, 29/27.5"
  • Front/rear suspension travel: 150/135 mm
  • Frame weight: approx. 2.7 kg
  • Frame material: Carbon
  • Price frameset: 4500 Euro
  • Special features: hand-laminated in Germany, high-pivot rear triangle
Unique: The carbon frame of the True BC Knuth is still a one-off. However, this could soon change.Photo: True BCUnique: The carbon frame of the True BC Knuth is still a one-off. However, this could soon change.

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The next step in carbon manufacturing

True BC owner Dominik Heinstein has been manufacturing high-quality carbon rims in his own workshop for years. The next step will be his own frame - also hand-built from high-quality carbon fibres, of course. The debut model is designed to take on full-blown enduro trails and still cut a fine figure on the tour. The 433 millimetre short chainstays in combination with a 27.5 inch rear wheel should provide the necessary fun factor and agile cornering. At the same time, a 29-inch front wheel and a 480 millimetre reach in size L should ensure the necessary smoothness. The head angle of Heinstein's personal prototype is 65 degrees flat, the seat angle is 78 degrees steep. A bottom bracket drop of just 22 millimetres to the rear wheel axle should harmonise perfectly with the progressive gear ratio of the high-pivot rear triangle.

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This exciting trail bike is currently a prototype. After testing, a small series of the True BC Knuth will go on sale.Photo: True BCThis exciting trail bike is currently a prototype. After testing, a small series of the True BC Knuth will go on sale.

The high-pivot design squeezes 135 millimetres of travel out of the rear triangle of the True BC Knuth trail bike. Between 140 and 160 millimetres are possible on the fork, whereby Heinstein relies on an upside-down suspension fork from Intend with 150 millimetres of travel on its test bike. Relatively high anti-squat values in the suspension should ensure good climbing characteristics under chain tension. The supported single-link works with a damper installation dimension of 180 by 50 millimetres and is compatible with both air and steel spring dampers. Slim tubes with a large wall thickness are used on the prototype in order to minimise both weight and susceptibility to damage from impacts. Heinstein laminated the frame, which weighs around 2.7 kilos, in-house in Pommelsbrunn, Bavaria.

The carbon frame of the True BC Knuth is laminated by hand in Bavaria with a small tube diameter and stable wall thickness.Photo: True BCThe carbon frame of the True BC Knuth is laminated by hand in Bavaria with a small tube diameter and stable wall thickness.

To the taste of the master

The exotic True BC Knuth uses an integrated eight-pin dropper post for maximum saddle adjustability. The integrated cable routing works with laminated carbon tubes to make servicing and handling easier. True BC boss Dominik Heinstein builds his personal prototype trail bike with lightweight and high-quality parts. These include, of course, the carbon rims from the in-house workshop, which are fitted with orange textile spokes from Berd Spokes. The gears are shifted by a Sram X0 AXS Transmission groupset and the True BC Knuth is stopped by a Trickstuff brake system. A crank from Garbaruk, tyres from Onza and a carbon saddle from Tune complete the build.

Fully integrated and up to 258 millimetres of travel: True BC relies on an Eightpins dropper post on the prototype trail bike.Photo: True BCFully integrated and up to 258 millimetres of travel: True BC relies on an Eightpins dropper post on the prototype trail bike.

Conclusion

Visually, this prototype is an absolute feast for the eyes. Technically, the True BC Knuth is particularly interesting due to its hand-made production in Bavaria, the integration of an eight-pin seat post and the high-pivot suspension. Everything points to a lightweight, dead chic trail bike for individualists. We are already looking forward to the first small series and a test of the new True BC Knuth. - Jan Timmermann, BIKE test editor
The rear linkage is made up of CNC-milled levers. The raw carbon look of the handmade True BC Knuth frame is an absolute eye-catcher.Photo: True BCThe rear linkage is made up of CNC-milled levers. The raw carbon look of the handmade True BC Knuth frame is an absolute eye-catcher.

Jan Timmermann is a true mountain biker. His interests cover almost everything from marathon to trail bikes and from street to gravel. True to the motto "life is too short for boring bikes", the technical editor's heart lies above all in bikes with charisma. Jan also runs the fitness centre for our cycling brands.

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