IronAxis

IronAxis Industrial Supply

IronAxis is a U.S.-based B2B supplier of industrial equipment, instruments, machinery, food processing systems and new energy solutions for manufacturers, labs and engineering companies.

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info@ironaxis-supply.com

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2024 Rocky Mountain Instinct C70 Shimano Bike

Circle Bike

HighlightsFull carbon and alloy frame options140mm of rear wheel travel // 150mm forkWheel size:Size XS & S: 27.5-inchSM-XL:29-inchRide-4 adjustment system offers four geometry configurationsTwo-po...

Solar Power Systems Circle Bike 24 Dec 2025 ( )

Get Your Quote Now : US$ 1624.24 ~ 1833.35/ Unit

Highlights

  • Full carbon and alloy frame options
  • 140mm of rear wheel travel // 150mm fork
  • Wheel size:
    • Size XS & S: 27.5-inch
    • SM-XL:29-inch
  • Ride-4 adjustment system offers four geometry configurations
  • Two-position axle adjustment
  • 63.5° / 64° / 64.4° head tube angle
  • +/- 5mm reach adjust
  • UDH equipped
  • PenaltyBox 2.0 internal frame storage (carbon frame only)
  • Press fit bottom bracket
  • Fully-sealed cartridge bearings
  • 12x148 Boost rear hub spacing
  • Sizes: XS-XL
  • 3 alloy builds ranging from $2,899-$4,599 USD
  • 6 carbon builds ranging from $4,699-$10,599 USD
  • Build tested: C70 Shimano - $6,499 USD
  • Weight (size large): 32.8 lb (14.8 kg)
StrengthsWeaknesses
  • Can power up steep, technical climbs 
  • Very responsive and playful bike that excels on fast, flowy terrain
  • Great bottom out support and control through harsh compressions
  • Lots of adjustments that allow any rider to find a dialed setup
  • Long dropper post insertion
  • Sub-optimal tire choice out of the box
  • The frame resonates sound and the cables rattle 
  • Multiple points of adjustment can be overwhelming 
  • More of a casual pedaler than some trail bikes

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