Diamondback Bicycles

Boy's Octane B20 Bike

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Diamondbacks youth mountain 20" category is made for the aspiring mountain biker. A suspension fork, aluminum frame, 20" wheels and multiple gears take your preteens riding to the next level.

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Product Details

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Designed for adventures around the block and out on the trail, the Octane 24 is a great bike to get kids out having fun. The 6061 heat treated aluminum frame is super durable to handle any terrain, and the suspension fork helps keep them in control when things get bumpy.

*6061 heat treated aluminum alloy construction and replaceable derailleur hanger for durability
*Suspension fork for smooth ride
*Linear pull brakes are simple and strong
*Shimano 6-speed drivetrain for wide gear range

  • Frame: DB 6061 heat-treated Aluminum with replaceable derailleur hanger.
  • Rear Shock: N/A
  • Fork: Trail XC 30mm travel
  • Headset: Threaded 1 1/8""
  • Cranks: 140mm 1-Piece, 40t
  • Bottom Bracket: Looseball
  • Front Derailleur: N/A
  • Rear Derailleur: Shimano TZ-50
  • Shifter: Shimano RS35 Revo Twist
  • Cog Set: Shimano MF-HG37 6spd Freewheel (14-28t) 
  • Chain: KMC Z51
  • Hub (F): 36h Nutted
  • Hub (R): 36h Nutted
  • Spokes: 14g
  • Rims: 36h R-1000 Alloy
  • Tires: Jr. ATB Knobby 20x2.0
  • Brakes: Alloy Linear 
  • Brake Levers: Alloy Linear w/ reach Adjust
  • Handlebar: Steel Jr Riser 20.5"" wide x 1"" rise
  • Grips: DB Kraton
  • Stem: Alloy Quill
  • Seat: Jr ATB 2 panel
  • Seatpost: Steel Pillar 25.4mm
  • Extras: Clear coat, Chainstay Protector, Owner’s manual, rear derailleur guard