m81

Geometry

m81 singlespeed geometry

Features

  • Handmade in Portland, Oregon, using 6061 aluminum
  • Large-diameter butted tubes for a smooth, compliant ride on a frame that's strong and light
  • Custom-designed vertical drops for ease of wheel removal, component alignment, and wheel replacement
  • Custom-engineered international standard caliper mount and seat stays for strength and lateral stiffness
  • Super-light Bushnell eccentric bottom bracket: no holes drilled in your BB shell, no screws to scar or strip
  • Brazed on cable guides for a clean look and weight savings
  • Anodized for a durable finish with laser etched logos
  • 135mm rear axle spacing
  • 30.9mm seat post
  • 1 1/8" head tube
  • 2 year frame warranty*
  • Weight: 21.6 lbs (medium - no pedals)
  • Colors: Sapphire Blue, Bottle Green, and Brick Red
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* Based on 80mm forkShow/Hide Metric

Size A (st) B (tt) C (ha) D (cs) E (sta) F (bbh) G (sh) WB
15.5 15.5 (393) 22.6 (574) 70.8 16.45 (417.8) 73 11.9 (302) 27.0 41.0 (1042)
17.5 17.5 (445) 23.4 (594) 71.3 16.45 (417.8) 73 11.9 (302) 28.5 41.7 (1059)
19.5 19.5 (495) 24.1 (612) 71.4 16.45 (417.8) 73 11.9 (302) 30.5 42.4 (1077)
m81 frame geometrym81 singlespeed imagesm81 singlespeed specifications
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