1991 Specialized Rockhopper Mega (20″ wheels)

Serious and very rare all-terrain bike for 4’5″-4’9″ riders (7-11 year old kids). Mini Rockhopper frame, Sugino alloy crankset, 7-speed Shimano drivetrain, all-terrain Ground Control Black Max 20×1.95″ tires. Shimano 7-speed drivetrain with new trigger shifter. This bike is simply awesome!

This bike is now available for $300. Please email me at bikesheaven1@gmail.com with any questions.

Before & After Pics

1991 Specialized Catalog

New & Upgraded Components

  • Chain: 7-speed
  • Handlebar grips: Saturn Five
  • Cables/Housings: Shimano
  • Rear brake pads: Dia-Compe

Restoration Pics

Original Components

  • Frame: 12.75″ SFS ChroMoly mega-frame, STR, forged dropouts, waterbottle brase-ons
  • Fork: Mega fork, all ChroMoly, forged dropouts w/retention lip
  • Wheels: 20″ Ukai 7X alloy, black hubs, Stainless Steel Spokes
  • Tires: Specialized Black Max 20×1.95″ all-terrain
  • Derailleur: Shimano 552
  • Shifters: Shimano SIS Thumbshifter
  • Crank: Sugino 152mm
  • Chainring: 46T with double-guard
  • Freewheel: Shimano 7-speed 13-30T
  • Pedals: VP-882 Racing Resin
  • Brakes: Shimano CS 861
  • Handlebar: Microbulge Flat with Mega grips
  • Stem: Black TIG 24°
  • Headset: Precision Steel Black
  • Seatpost: alloy micro adjust
  • Saddle: Supersoft pigskin