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Planet X Bikes

On-One Big Dog 29" Mountain Bike Frame

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The Big Dog is our triple butted custom DN6 chromo capable 29er ready to tackle anything...

The Big Dog is our triple butted custom DN6 chromo capable 29er ready to tackle anything you fancy. Focused around a 130mm fork and a 65-degree head angle, the ride quality is unmistakable. It’ll tackle the trail centre as confidently as it would multi day epics.

  • 29er Trail Hardtail All Rounder
  • DN6 Chromoly Custom Drawn Steel
  • 120-140mm Fork
  • Tyre Clearance – 29er x 2.45”
  • BSA 73mm Bottom Bracket

Massively adaptable, the The Big Dog will instil fun, agility, and confidence to your ride. From the trial centre, to technical singletrack, and on to multi day bikepacking epics, The Big Dog is at home on all. The 65 degree head angle gives confidence on steep chutes. 444mm chainstays for stability. 58mm BB drop keeps rider planted whilst ensuring ground clearance. Balanced stack and slightly longer reach figures offer versatility, from endurance adventures to hardcore hardtail territory. Steeper 75-degree seat tube angle puts the rider above the crank for better climbing efficiency. Geometry designed around a 120mm to 140mm suspension fork.

Strictly controlled triple butted tubing result in a frame that is strong, responsive, and comfortable whilst shaving off excess weight. Tubes wall thickness is strictly controlled to offer strength at welds and lightness. The custom bottom bracket yoke gives large tyre clearance whilst ensuring stiff power transfer. 31.8mm dia toptube and 38.1 dia downtube offer sprightliness and strength.

29er x 2.45” Big tyre clearance for wide treads. Adds comfort, capability and mud clearing. BSA 73mm Bottom Bracket Ultra-durable, creak free and easily serviceable. Cables are routed externally for accessibility and ease of service. Stealth dropper post routed.

Frame Weight: 2.4KG (medium)


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