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Black Forest 27

Best friend for sporty challenges.


Riding is your passion, the BLACK FOREST your best friend. A high quality aluminium frame with incredible design features, this is an unbeatable ride with superb handling at the perfect price point. Cross-country races, long rides or marathons. What’s holding you back?


Triple butted aluminium frame

Triple-butting means three different wall thicknesses and reduces weight without losing strength.

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Internal cable and line routing

The cables and hydraulic lines are routed inside the frame for protection, which extends their life and ensures flawless shifting every time.

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Wheel size 27,5"

All FOCUS bikes with a travel of greater than 100 mm are equipped with highly agile and manoeuvrable 27.5" wheels.

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Comparison of wheel sizes

26R, 27R or 29R - what is the perfect wheel size? Read more!

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142 x 12 mm thru axle

The 142 x 12 mm thru axle improves lateral stiffness and ensures that the wheel and brake disc are perfectly aligned to the brake body.

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Women-specific contact points

To maximise riding comfort for all female cyclists, the FOCUS product managers equip all FOCUS Donna models with special components.

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Geometry  *

Bike size (inches)  27,5 27,527,5
Short form  S ML
Seat tube (mm) A420460500
Top tube (mm) B589596613
Head tube angle (°) C69,5069,5069,50
Seat tube angle (°) D73,5073,5073,50
Chain stay length (mm) E425425425
Bottom bracket drop (mm) F484848
Head tube (mm) G110118135
Fork Length (mm) H487487487
Fork rake (mm) I444444
Wheelbase (mm) J108310941113
Stack K595602618
Reach L410418430
* The geometry can differ with in the models.