SIDI London Insulated Insoles - Gray/Blue 45 MFPN=MS (L) 165MM AA The number and letter refer

The number and letter refer to the mm offset and direction from the mounting face to the centerline of the teeth:

}Muc-Off Drivetrain Cleaner: 500ml Pourable/Spray Bottle

Single-speed CrMo cogs are CNC-machined from long-wearing chrome-molybdenum

Compatible with Service Course

SIDI London Insulated Insoles - Gray/Blue 45 MFPN=MS (L) 165MM AA The number and letter referSIDI London Insulated Insoles are designed to provide warmth and comfort in cold weather cycling conditions. These insoles feature an insulated design that helps retain heat keeping feet warm during rides in chilly temperatures. Made from high quality materials they offer cushioning and support ensuring a comfortable riding experience even in cold weather. Ideal for cyclists seeking additional warmth and insulation for their feet during winter rides.