Ritchey Road Logic Disc Frameset (Nigiri) (57cm)

Ritchey Road Logic Disc Frameset (Nigiri) (57cm)
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Price: $1,799.00

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Ritchey Road Logic Disc Frameset Description:

Delivering amazing ride quality takes time to develop, Tom Ritchey has spent the last 40 years perfecting the art of frame building by innovating, exploring, and lots of riding. The classic lines of the triple-butted steel frame and full carbon fiber fork offer comfort on long days while remaining agile with precise handling, even when the pavement isn't perfect. The tried and true specs on the Road Logic frame have remained unchanged for years but now feature spacing for up to 30mm tires, disc brake mounts, and thru-axles to accommodate modern technology. Become one with the road and enjoy the sun on your face the wind at your back, steel never felt so good.


  • Heat-treated, triple-butted Ritchey Logic tube set features short-butted sections optimized to save weight and improve ride quality
  • Painted to match Ritchey full carbon fork with integrated steerer crown interface
  • Forged and machined straight head tube
  • Thru-axles to meet modern wheel standards
  • TIG welded
  • Fits tires up to 30c
  • Logic Zero WCS drop in 1-1/8” headset included


  • Frame Material: Ritchey Logic Steel Tubing (Triple-Butted) (Heat-Treated) (TIG Welded)
  • Fork Material: Ritchey WCS Carbon Disc Road
  • Headset: Included (WCS)
  • Headset Size: IS42/28.6 (Upper), IS42/30 (Lower) (16mm Stack Height)
  • Brake Compatibility: Disc Only (Hydraulic or Mechanical)
  • Brake Mounts: Flat Mount
  • Rotor Compatibility: 140mm (Front and Rear) (160mm Max w/adaptors)
  • Axle Type: Thru Axle
  • Hub Spacing: 12 x 100mm (Front), 12 x 142mm (Rear)
  • Stem: Not Included
  • Stem Size: 1-1/8” (Not Included)
  • Seatpost: Not Included
  • Seatpost Diameter: 27.2mm
  • Seatpost Clamp: Integrated
  • Bottom Bracket: Not Included
  • Bottom Bracket Type: Threaded BSA
  • Bottom Bracket Width: 68mm
  • Front Derailleur Mount: Clamp (28.6mm)
  • Drivetrain Compatibility: 1x or 2x
  • Chainring Compatibility: 1x (36 to 50T), 2x (46/30 to 53/39T)
  • Tire Clearance: 700 x 30mm (Max)
  • Cable Routing: External
  • Dropper Post Routing: No
  • Water Bottle Bosses: 2 Mounting Positions (Downtube & Seattube)
  • Fender/Rack Mounts: No
  • Color: Nigiri (Green)
  • Weight: 1790g (55cm Frame), 390g (Fork)

This product was added to our catalog on February 7, 2024

Sizing Recommendations for Riders Who Fall Between Sizes:

  • Sizing down will provide a more maneuverable ride while sizing up will provide more stability
Rider Height (Feet)Rider Height (CM)
495'0" - 5'3"152 - 160cm
515'2" - 5'5"157 - 165cm
535'4" - 5'8"163 - 173cm
555'7" - 5'11"170 - 180cm
575'10" - 6'1"179 - 185cm
596'0" - 6'3"183 - 191cm

Note: All sizing recommendations are provided by the manufacturer and may differ for each rider.


    picture of bike frame

    Frame Size49cm51cm53cm55cm57cm59cm
    (A) Top Tube (Effective)518mm532mm548mm563mm575mm590mm
    (B) Top Tube (Actual)508mm521mm536mm549mm561mm576mm
    (C) Seat Tube (C-T)465mm485mm505mm525mm545mm565mm
    (D) Seat Tube Angle75°74.5°74°73.5°73.5°73.5°
    (E) Head Tube Length105mm120mm140mm160mm180mm200mm
    (F) Head Tube Angle72°73.5°73°73.5°73.5°74°
    (G) Bottom Bracket Drop72mm72mm72mm70mm70mm70mm
    (H) Chainstay410mm410mm415mm415mm415mm415mm
    (I) Wheelbase976mm981mm993mm999mm1011mm1021mm
    (J) Standover Height740mm757mm777mm797mm816mm836mm
    (K) Stack515mm531mm551mm570mm589mm610mm
    (L) Reach380mm385mm390mm394mm400mm409mm
    (M) Fork Rake46mm46mm46mm46mm46mm46mm
    Fork Length369mm369mm369mm369mm369mm369mm
    Axle To Crown371mm371mm371mm371mm371mm371mm
    Seatpost Diameter27.2mm27.2mm27.2mm27.2mm27.2mm27.2mm