Rebecca Gruhn Bike Check

We’re catching up with German BMX rider Rebecca Gruhn today, and the bike she built up just for the Olympics. Rebecca is 5’4″, right foot forward, and is goofy-footed. Check out her setup below.

Frame: Colony Sweetooth 20.4

  • Alex Hiam’s signature frame
  • 13.25” rear, 75.2º HA, 71º ST.
  • 11.5″ BB Height.
  • Stand over height for 18.9″ & 20.4″ is 7.5″ (centre of BB shell to centre of TT).
  • Stand over height for 20.7″ & 21″ is 8.5″ (centre of BB shell to centre of TT).
  • Weight: 20.4″ version 5.2 lbs (2,358 grams).
Photo from

Headset: Colony Headset
Fork: Odyssey R25
Bars: Fiend Team Bars 9.0
Stem: Colony Squareback
Grips: ODI

I love how the whole bike came out. I’ve built it up for the Olympics and I love all the little details.

Seatpost: Colony
Seat: Colony
Pedals: Colony Fantastic Plastic
Cranks: Colony
Sprocket: Wethepeople Felix Prangenburg
Chain: KMC Superlight

Front Wheel: Tall Order Glide Hub, Alienation Deviant Rim with Tubolito Tube and Maxxis Tire
Back Wheel: Tall Order Drone Hub, Gsport Ribcage Rim with Tubolito tube and Maxxis Tire
Pegs: Tree Trick Stick

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