Old Moutain Bikes

1981 Components Summary

Below is a summary of the "standard" and optional components that came on the 1981 MountainBikes (i.e. Ritchey) bikes. The information is compiled from the 1981 MountainBikes Catalog. It should be noted that during this time, other components not listed here did appear on bikes. While this information is valuable for restoring early bikes, do not expect all bikes to conform to this listing.


Component Standard Options
Frameset: Lugless brazed frame made with oversize chrome-moly and reynolds double butted tubing. Campagnolo seatpost quick-release, Campagnolo dropouts, Imron paint. Standard braze-ons include down tube water bottle cage bosses, catilever brake bosses, derailleur and brake cable stops for split housing.
  • Campagnolo quick-release binder bolt [recommended]
  • Shimano quick-release binder bolt
  • Avocet quick-release binder bolt [lightest]
  • Bottom Bracket: Sealed bearing Tom Ritchey custom.  
    Crankset Extra-long TA Cyclotourist triple.
  • lengths from 170-185 mm
  • 40-52 outer ring
  • 36-42 middle ring
  • 26-35 inner ring
  • double crankset available
  • Pedals: BMX type with annodized alloy cage and chrome-moly shaft.
  • MKS BM-7 - red, blue, or gold
  • SunTour MP-1000 - red, blue, or gold [higher priced option]
  • Rear Derailler: Huret Duopar "Eco"
  • Huret Duopar Titanium [higher priced option]
  • SunTour VX [lower priced option]
  • Front Derailler: SunTour Compe V or VX.
  • Suntour Compe V, reverse action
  • Suntour Compe VX
  • Shimano Dura Ace EX
  • Simplex
  • Shift Levers: SunTour Mighty Thumb shifters.  
    Handlebars: Tom Ritchey custom "Bullmoose" bar/stem.
  • Bullmoose available in 26" or 28" widths
  • SR AH Stem with 60 or 80 mm of reach
  • Cinelli Road Stem with 70, 90, or 110 mm of reach
  • Motorcycle handlebars [only adapter shim listed]
  • Grips:  
  • Grab-On MX I
  • Grab-On MX II
  • Magura surgical rubber grips
  • Flanders "Jackhammer" grips
  • Sundancer sculpted grips
  • Chain:  
  • Regina Oro [strongest]
  • Sedis-Sport
  • Shimano Uniglide [best shifting]
  • Dura Ace Uniglide [longest lasting]
  • Freewheel: Heavy-duty wide range 6-speed.
  • Dura Ace 6 speed: 13-26, 13-28, 13-31
  • Dura Ace 5 speed: 13-24
  • SunTour New Winner Ultra-6: 13-24, 13-26, 13-28, 13-30, 13-32
  • SunTour New Winner 6 speed: 13-24, 13-26, 13-28, 13-30, 13-32
  • Seatpost: Extra-long SR Laprade.
  • Campagnolo Record Micro-adjusting 180 mm
  • SR Laprade 220 mm
  • French Laprade 240mm [higher priced option]
  • Saddle: Avocet Touring II.
  • Avocet Men's Touring I
  • Avocet Men's Touring II
  • Avocet Men's Touring I
  • Avocet Wpmen's Touring I
  • Avocet Women's Touring II
  • Brooks B-72
  • Headset: Chris King sealed bearing.
  • Chris King
  • Shimano 600-EX
  • Campagnolo Record
  • Hubs: Phil Wood 6-speed wtih allen-keyed end bolts.
  • with allen-keyed end bolts
  • with Campagnolo quick release
  • Rims: Annodized alloy box construction 26 x 1.75 with pollished braking flats.
  • Araya
  • Ukai
  • red, blue, gold, or silver
  • Spokes: DT stainless steel.
  • 14 gauge 270 mm spokes with 4-cross lacing
  • Tires: Skinwall 26 x 2.125 balloon tires.
  • Mitsuboshi Skinwall Tires [recommended for street use]
  • Uniroyal Nobby Tires
  • CyclePro SnakeBelly Tires [recommended]
  • Brake Levers: Genuine Magura motorcycle levers.
  • Long levers
  • Shorty levers
  • Brake Cables: Heavy-duty motorcycle brake cables.
  • split housing [standard]
  • full housing for catilever brakes
  • full housing for drum brakes
  • Brakes: Mafac Tandem Cantilever.
  • Sturmey-Archer Drum brakes: 90 mm rear, 70 or 90 mm front



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