2009 Schwinn Sierra GS

Source: Schwinn's own schwinnbike.com model page captured 2008-09; also listed on schwinnbikes.com model page captured 2011-06. Model year from the page title; maker menu: Comfort > 2009 Sierra GS. the page's feature list names a 21-speed total ("SRAM 21-Speed Drivetrain w/ ESP 3.0 Twist Shifters") but no chainring count, so speeds are left null. rear derailleur taken from the part of the Derailleurs row marked rear. Frame: Schwinn N'Litened aluminum alloy with Comfort Tuned 68 geometry and replaceable derailleur hanger. Derailleurs row: SRAM ESP rear, Shimano C050 front. Bottom bracket: VP semi-cartridge bolt type. Chain: KMC Z-72. Headset: 1 1/8" threaded. Pedals: Resin comfort pedal with steel axle. Grips: Schwinn Comfort-Tuned Dual density Grips. Extras: Alloy quick release seat binder. sizes are the frame size columns of the page geometry table (the page has no size row). the 2009 archive page's component rows are shifted against their labels (for example a shifter in the Fork row), so none of its rows are used. the pages of this build show prices $379.99, $400. MSRP $379.99 from the price block of the 2008-09 capture, inside the model year launch window.