Item # qsuarudbg12zz-subrosa-bmx-bikes

Subrosa Arum Dirt BMX Bike


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Description: Subrosa Arum Dirt BMX Bike

Subrosa has been tearing it up on the street and trails for years, and they''ve really perfected the art of the build with the Arum Dirt BMX complete bike. Built with a Chromoly frame and a fork that has a CrMo steer tube, they''ve given you a lightweight and ultra-durable bike. Featuring a taller standover height than the street model, the dirt-specific build on this Arum also has a top load stem, as opposed to front load, and a knobby front tire for added grip when you''re making the smoothest of landings at the dirt jumps.

Key Features of the Subrosa Altus Dirt BMX Bike 20":
  • FRAME: Japanese seamless 4130 chromoly TT and DT - 20.5" TT /
  • 75 degree HT / 71 degree ST / 13.75" CS / 9" standover height,
  • removable brake mounts
  • FORK: 4130 chromoly steer tube, 30mm offset, tapered legs,
  • integrated bearing race
  • BARS: 100% 4130 chromoly - 8.25" rise / 12 degree backsweep /
  • 1 degree upsweep / 28" wide
  • GRIPS: Shadow Finger Banger
  • BAR ENDS: Shadow Nylon Push In
  • STEM: Custom Forged Subrosa Hold On alloy top load stem
  • RIMS: Rant alloy 36H
  • FRONT HUB: Alloy 3/8" axle
  • REAR HUB: Semi sealed alloy 14mm cassette
  • TIRES: 20" x 2.35" knobby front / 20" x 2.2" street rear
  • CRANKS: Rant 4130 seamless chromoly tubular 3pc. 8 spline,
  • 175mm, with sealed mid BB
  • SPROCKET: Subrosa Shield
  • GEARING: 25-9 micro
  • CHAIN: Taya 410
  • PEDALS: Shadow Ravager Plastic
  • BRAKES: Rant alloy U-brakes w/ straight cable and Rant alloy lever
  • SEAT: Shadow Solus Slim 1pc Seat / Post combo
  • SEAT CLAMP: Intergrated into frame
  • WEIGHT: 25.8 lbs

Arum Dirt

Past Season Product

NOTE: All bikes are sold and delivered partially assembled. Final assembly should be done by a certified bike technician. Failure to have the bike assembled by a certified bike technician may void the warranty and could result in damage and/or injury if not assembled correctly.

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Why did you choose this? Store
Because it is an awesome Bike
Victor M G on Dec 1, 2013
Because it is an awesome Bike
Victor M G on Dec 1, 2013
Where does the subrosa arum dirt Bmx bike black/gold 20 come from?
A shopper on Jul 3, 2013
BEST ANSWER: can you bring the bike to a skatepark