You are buying asingle sprocket, select size required above. Shimano 105 CS-5700 Cassette Sprocket Unit 21-23-25T (for 12-25T) - Y1YN98070. Designed to run on 1/8" single speed chain. Wheels, Tyres & Tubes.
MICHE FIXED 18 TOOTH 1/8" TRACK SPROCKET COG & CARRIER
Aluminium Alloy 44mm Integrated Bicycle Headset Set for Road Mountain Hybrid Bikes - Black Non-Threaded Cup & Cone Front Fork Stem Replacement Compatible with 1-1/8 Inch
bike threaded steel rigid fork for 700c wheels / rim brakes 1 - 1/18 tube
Pletscher Threaded Adapter Plate for Comp 18 Kickstand, Silver, 18mm
Kalloy Road Bike Quill Stem 100mm -18 Deg - 25.4mm Clamp 1 Inch Threaded
Integrated Headset Base Gasket for Road Bikes, 40.2×26.4 mm, Carbon Fiber Spacer Set, Converts Standard to Integrated Cockpit, Ultra-Light 11g, Matte Black Finish(Black)
