K2  Mach 1.0 Bike

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For fitness or fun, K2 Mach 1.0 offers high-quality entry-level performance and a smooth, comfortable ride.

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Features

  • Aluminum frame features gently curved seat stays that reduce road shock at the back end and allow rider to remain seated for long periods of time
  • Lightweight carbon-fiber front fork damps front end road shock yet provides lateral stiffness for steering clean, crisp lines
  • Shimano STI shift/brake levers and Shimano derailleurs provide reliable, easy shifting
  • Shimano triple chainring crankset and SRAM 8-speed rear cassette round out the drivetrain
  • Tektro dual-pivot brakes provide easy, reliable stopping power
  • Lightweight Alex DA16 rims feature double-wall construction for strength; hubs are double-sealed for durability
  • Kenda 700x26c tires provide a stable, smooth-rolling platform
  • K2 Fitness Road saddle is contoured and padded for all-day comfort and support
  • Includes pedals with clips and straps, suitable for a variety of casual shoes
  • NOTE: Specs and images are subject to change based on component availability

Imported.

This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 20% off shop services
  • Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
More about our free adjustments:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

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Technical Specs

Best Use

Road Cycling

Frame

6061 Aluminum

Fork

Carbon blades

Crankset

Shimano FC-R453 Octalink, 50/39/30

Bottom Bracket

Sealed cartridge

Shifters

Shimano 2200/2204 STI

Front Derailleur

Shimano 2203

Rear Derailleur

Shimano Sora

Rear Cogs

SRAM, PG-850, 12-26, 8-speed

Brakes

Tektro alloy dual-pivot

Brake Levers

Shimano 2200/2204 STI

Rims

Alex DA16

Front Hub

Alloy double-sealed

Rear Hub

Alloy double-sealed

Tires

Kenda Kwick Roller Sport 700x26

Handlebar

Aluminum Ergo drop bar

Stem

Forged alloy, threadless

Seat Post

Alloy micro-adjust

Saddle

K2 Fitness Road

Pedals

Resin body w/toe clips

Headset

TH 1-1/8'' threadless

Chain

KMC Z72

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