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The Schwinn Sierra 21 is a casual bike, the middle offering in the young rider-oriented Sierra line.

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Performance Bike Schwinn Sierra 21 $419.99

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The Schwinn Sierra 21 is a casual bike, the middle offering in the young rider-oriented Sierra line. This model is a step up from the Sierra 7 in that it has twenty-one speeds instead of seven, and has a sealed bottom bracket to keep sand and dirt away from your bearings. That being said, this model lacks the higher cost IG3's internal gear hub (having a derailleur system instead), suspension fork (having a rigid fork instead), and double wall rims. Features shared throughout the line include dual density grips, which are made to feel good on your hands. Another shared feature geared toward comfort is a lightweight aluminum frame, which has a geometry of sixty-eight degrees.  

Features
  • Color options
  • Small size
  • Frame: Schwinn N'Litened Aluminum w/ Comfort-Tuned 68 deg. geometry and replaceable derailleur hanger
  • Rigid frame fork
  • Crank: Schwinn "S" Logo forged alloy, 40t ring w/ dual chainguard
  • Bottom Bracket: sealed cartridge
  • Shimano Altus/TX50 derailleurs
  • Shimano Revo twist shift
  • Chain: KMC Z-51
  • 21 Speed
  • 26" Alex IC 1000 alloy 32 hole rims
  • Hubs: KT alloy sealed mechanism front and rear w/ QR
  • Spokes: 14 G stainless
  • Tires: Schwinn Approved city tread 26” x 1.95
  • Pedals: Nylon comfort platform w/ reflectors
  • Brakes: Linear pull brake w/ 60mm pads
  • Brake Levers: Alloy w/ reach adjuster
  • Handlebar: 80mm rise, 30 degree bend
  • Stem: Alloy 30 deg rise comfort, 80mm extension, 25.4 quill
  • Headset: 1 1/8" threaded
  • Grips: Schwinn Bio-Tuned Ergonomic dual-density w/ fabric cover
  • Saddle: Comfort Tuned Plus two-tone w/Schwinn Super Soft foam and coil spring rails
  • Seatpost: Alloy pillar, 26.8
  • Alloy QR seat binder w/ 'S" Logo end boot
     
Color Options
  • Red
  • Black
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