2006 Schwinn Sierra DS
TIG-welded N’Litened Gold Label 26” aluminum frame with patented FLOATech™ dual suspension system gives 2” of smooth-riding travel.
 
RST CT COM 1 fork feature lightweight aluminum lowers and adjustable preload.
 
SRAM 7-speed 4.0 drivetrain with 4.0 Pro twist shifter with Schwinn AutoPilot ergonomic grips provide superior comfort with our without gloves.
SuperSoft elastomer memory foam saddle.
Specs:
Color(s) Navy Blue Metallic/Soft Silver
Shifters Unisex -  M/L, 19"
Frame Schwinn Custom Drawn 'N'Litened' Gold Label aluminum with new Schwinn dual suspension comfort geometry, Semi-Integrated head tube, Epicenter seat stays, removable derailleur hanger, rack and WB bosses
Fork RST CT COM 1 T5 alloy lowers, coil spring w/ preload adjust and integrated crown
Crankset SR/Suntour CW-SC442-PBG 42T w/ double chainguard
Bottom Bracket VP bolt type 68x110 48mm chainline
Pedals Wellgo LU-P27 nylon w/ Boron axle
Front Derailleur N/A
Rear Derailleur SRAM ESP 4.0
Shifters SRAM ESP 4.0 w/ Auto Pilot ergonomic grip
Freewheel Shimano TZ-37 14-34t 7sp
Chain KMC Z-51
Rims Alex Y2000 single wall anodized 36H
Tires 26" x 1.9" smooth rolling Auto Pilot all weather Touring 
Front Hub Formula sealed alloy w/ alloy QR
Rear Hub Formula sealed alloy threaded w/ alloy QR
Spokes Stainless steel 14 gauge
Nipples CP Brass
Front Brake Tektro alloy linear pull w/ linear spring, power modulator & Multi-Condition pads.
Rear Brake Tektro alloy linear pull w/ linear spring, and Multi-Condition pads
Brake Levers Tektro alloy composite 3-finger w/ reach adjust and Kraton insert
Handlebar Hi-Ten steel, 50mm rise, 24 degree bend, 620mm wide
Stem Alloy adjustable, 55 degree movement w/ 180mm quill insertion and front-load cap. Sized to frame.
Grips Schwinn Auto Pilot ergonomic
Headset FPD 1 1/8" Semi-Integrated threaded, sealed
Saddle Schwinn Super Soft elastomer-foam with special waterproof stretch cover
Seat Post Forged alloy with micro adjust head 26.8 x 350mm
Seat Clamp Alloy clamp and QR