2008 GT Ultrabox 2 BMX bike

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Sebastian’s 2008 GT Ultra Box 2 Custom BMX – Bike Of The Day

Today’s Bike Of The Day is a 2008 GT Ultra Box 2 sent in by Sebastian Tiefenthaler!! Sebastian has this bike looking so good you’d think it was a 2023 GT! It’s hard to believe this frame was made almost 15 years ago. I wonder how it performs on today’s BMX tracks. Big shout out to Sebastian for submitting this one!!

2008 BT Bikes Ultra BOX 2

Hi, I’m Sebastian from Bavaria, Germany. As a GT Addicted guy, I always wanted the crazy Ultrabox 2.Now I have one and I did a one of a kind stealthy Prototype version out of it and damn I love it!

~Sebastian Tiefenthaler
GT Bike Ultra Box 2 BMX Race

Parts List:

  • Frame: GT Ultra Box 2 2008
  • Fork: Answer Dagger
  • Rims: Bombshell SL
  • Tires: Tioga FASTR Front, FASTR X Rear 1.85
  • Cranks: GT Factory 180
  • BB: Shimano
  • Pedals: Shimano DXR
  • Breaks: Shimano DX, DiaTech MX2
  • Headset: ICE
  • Stem: GT 62mm
  • Bars: ELEVN SLT
  • Grips: ODI Vans
  • Seat/Seatpost: Ergon / FSA
  • Chain: Dartmoor

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!!!New for 2022!! We’ll be starting every featured Bike Of The Day with a rating of 5 in each criteria. It’s gonna be a little harder to get a super high rating this year. CLICK HERE to see the March Bike Of The Month Chart.

2008 GT Ultra Box 2
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If you would like to get your bike featured as Bike Of The Day.


2. Send us some high quality photos (full and close up), a Full Parts List with a description about the inspiration for the build. You can also send sponsor shoutouts and any other details about your bike and involvement in the sport. CLICK HERE for more details on how you should send your photos

3. Email the photos, parts list, description and links to your website comments directly to sugarcaynecom@gmail.com. If we like your submission, we’ll feature it. Any custom built BMX bike of any size and type are eligible. You can also submit dirt jumpers (Hard Tail Only)

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