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Motosierra Frame
Frames & Forks
Frames Motosierra Frame
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Since the release of Sergio Layos’ signature Sierra frame, we have always wanted to do a more trails
specific frame. The new Motosierra frame is a Sierra Frame version for the die hard trails riders with
a trails specific geometry.
It features welded chainstay brake mounts and our new 5mm invest casting dropouts for 10mm axle
cassette, that all these pegless riders will love. Something important about this frame, is that we
are teaming up with Sergio to donate a % of the sales to a set of trails (To Be Announced) to support
the hard work and fun being had in this woods! Available in Gloss Dark Red and Gloss Black colors.
Other important features are the welded chainstay brake mounts with the cable through the seat
tube system. This classic system is very popular among trail riders but the available hangers were
not quite designed for it. Until now... We are including our new Manual Nano hanger designed for this brake set up without any flex and easy to install.

Note: The chain tensioner is compatible with all hubs with less than 24mm cone diameter, like Magneto Hubs, Profile,...


Motosierra Frame Specs
  • Tubing Material
    4130 CrMo / Japanese Sanko Triple Butted
  • Headtube Material
    CNC Machined / 4130 CrMo / Heat Treated
  • Bottom Bracket
    CNC Machined / 4130 CrMo / Heat Treated / Mid BB
  • Dropouts
    10mm Axle / Invest Casting / 4130 CrMo / Heat Treated w/ 1pc. Removable Chain Tensioner
  • Seat Clamp Material
    Invest Casting / 4130 CrMo / Heat Treated
  • Seatstays Bridge Material
    4130 CrMo / Heat Treated
  • Top Tube
    21" / 21.4" / 21.8"
  • Head Tube
  • Seat Tube
  • Rear End
    14" Slammed
  • Standover
  • Bottom Bracket Height
  • Head Tube Length
    120 mm / 4.7"
  • Brake System
    Welded / Cable Trough Seat Tube / Chainstays
  • Weight 21"
    2.200 kg / 4.85 lb