Skip to content
  • 🔥 Save on shipping, look fabulous 🔥
  • 🔥 Save on shipping, look fabulous 🔥
Cycling Equipment StoreCycling Equipment Store
  • Menu
  • Bike Apparel
    • Biking Body Warmers
    • Bike Shorts & Bibs
    • Bike Gloves
    • Bike Pads & Protection
    • Bike Shirts & Jerseys
    • Bike Jackets
    • Bike Socks
    • Bike Helmets
    • Bike Sunglasses & Bike Goggles
    • Bike Shoes
  • Bikes & Frames
    • Mountain Bikes
    • Gravel & Cross Bikes
    • Road Bikes
    • Kids’ Bikes
    • Electric Bikes
  • Bike Components
    • Bike Grips & Tape
    • Bike Pedals & Cleats
    • Misc Small Bike Parts
    • Bike Saddles & Seats
    • Bike Handlebars
    • Bike Chainrings
    • Bike Tubes
    • Bike Chains
    • Bike Headsets
    • Bike Tires
  • Bike Maintenance
    • Bike Tools
    • Bike Lube & Grease
    • Tubeless Bike Maintenance
    • Bike Cleaners
  • Bike Accessories
    • Bike Packs & Bike Hydration
    • Bike Lights
    • Bike Packing & Touring
    • Bike Locks
    • Floor Bike Tire Pumps
    • Bike Water Bottles & Cages
    • Bike Racks & Fenders
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

Home / Bike Apparel / Bike Socks
  • Darn Tough Oxford Crew Lightweight Men's Socks -Cycling Equipment Store 2dc104ebcdf7c3313b6914afe1434a6fe74fa1a8754db9056abf6b8715041238 23782.1683079202
  • Feetures Merino 10 Ultra Light Mini Crew Socks -Cycling Equipment Store 322c5db294cd135f03752ed6566bf04ff8f68d3d8270c4ac795fa416f08ecf2b 29729.1681543217
Sale!
Castelli Alpha 18 Sock
Castelli Alpha 18 Sock - Image 2
Castelli Alpha 18 Sock - Image 3
Castelli Alpha 18 Sock - Image 4
Castelli Alpha 18 Sock -Cycling Equipment Store d4d4479bc021e39076ecb497c33ce7efd14c4159a7a3469e9a43adb9a50d9313 71254.1683079789
Castelli Alpha 18 Sock -Cycling Equipment Store 18f4b3c783eb007d7a9cc15bcaf4d5993d0ec1211eaff99a4fa5bf1beb21f437 90455.1683079790
Castelli Alpha 18 Sock -Cycling Equipment Store b7b8d9783d25ee89b5d503d486f54977266f63366ff071821be2c0b89ffc7b5d 02129.1683079790

Castelli Alpha 18 Sock

$17.49 Original price was: $17.49.$12.24Current price is: $12.24.

Clear
SKU: BGV2Z 5204 Categories: Bike Apparel, Bike Socks
  • Buy with Peace of Mind
  • Top-Notch Quality
  • Sustainable materials, for a better tomorrow.
  • Multiple payment options for secure shopping with SSL
Browse
  • Bike Accessories
    • Bike Lights
    • Bike Locks
    • Bike Packing & Touring
    • Bike Packs & Bike Hydration
      • Bike Packs
      • Reservoirs & Accessories
    • Bike Racks & Fenders
    • Bike Water Bottles & Cages
      • Bike Bottles
      • Bike Water Bottle Cages
    • Floor Bike Tire Pumps
  • Bike Apparel
    • Bike Gloves
    • Bike Helmets
    • Bike Jackets
    • Bike Pads & Protection
    • Bike Shirts & Jerseys
    • Bike Shoes
    • Bike Shorts & Bibs
    • Bike Socks
    • Bike Sunglasses & Bike Goggles
    • Biking Body Warmers
  • Bike Components
    • Bike Chainrings
    • Bike Chains
    • Bike Grips & Tape
      • Bike Grips
      • Bike Handlebar Tape
    • Bike Handlebars
    • Bike Headsets
    • Bike Pedals & Cleats
      • Bike Pedals
      • Bike Shoe Cleats
    • Bike Saddles & Seats
    • Bike Tires
    • Bike Tubes
    • Misc Small Bike Parts
  • Bike Maintenance
    • Bike Cleaners
    • Bike Lube & Grease
    • Bike Tools
    • Tubeless Bike Maintenance
  • Bikes & Frames
    • Electric Bikes
    • Gravel & Cross Bikes
    • Kids' Bikes
    • Mountain Bikes
    • Road Bikes
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

A go to sock for any riding condition.

Tech Specs

Primary Color Black
Condition New
Model Year 2021
Sport Biking
International Availability Argentina,Australia,Chile,Ireland,Japan,New Zealand,UK,United States,Canada
Gender Men’s,Women’s
Color

Black/Dark Gray, Brilliant Orange/Black, Savile Blue/Red, Military Green/Fiery Red

Size

S/M, L/XL, 2XL

Reviews

There are no reviews yet.

Be the first to review “Castelli Alpha 18 Sock” Cancel reply

Related products

Sale!
Smith Squad MTB Unisex MTB Goggles 2022
Quick View

Bike Apparel

Smith Squad MTB Unisex MTB Goggles 2022

$85.00 Original price was: $85.00.$59.50Current price is: $59.50.
Sale!
Fizik Terra Clima X2 MTB Shoes *Damaged Packaging*
Quick View

Bike Apparel

Fizik Terra Clima X2 MTB Shoes *Damaged Packaging*

$174.99 Original price was: $174.99.$97.99Current price is: $97.99.
Sale!
Fizik Gravita Versor MTB Shoes *Damaged Packaging*
Quick View

Bike Apparel

Fizik Gravita Versor MTB Shoes *Damaged Packaging*

$84.00 Original price was: $84.00.$58.80Current price is: $58.80.
Sale!
7Mesh Quantum Women's SS Jersey
Quick View

Bike Apparel

7Mesh Quantum Women’s SS Jersey

$42.00 Original price was: $42.00.$29.40Current price is: $29.40.
Sale!
Smith Wilder Jr. MIPS Youth Bike Helmet 2021
Quick View

Bike Apparel

Smith Wilder Jr. MIPS Youth Bike Helmet 2021

$75.00 Original price was: $75.00.$52.50Current price is: $52.50.
Sale!
Fox Racing Womens Ranger Tru Dri Ss Jersey Women's
Quick View

Bike Apparel

Fox Racing Womens Ranger Tru Dri Ss Jersey Women’s

$64.95 Original price was: $64.95.$45.47Current price is: $45.47.
Sale!
Origin8 Apparel TechSport Short-Sleeve Cycling Jersey
Quick View

Bike Apparel

Origin8 Apparel TechSport Short-Sleeve Cycling Jersey

$22.24 Original price was: $22.24.$15.57Current price is: $15.57.
Sale!
KALI PROTECTIVES Kali Interceptor Bike Helmet (Dual Matte Black/Blue - M/L)
Quick View

Bike Apparel

KALI PROTECTIVES Kali Interceptor Bike Helmet (Dual Matte Black/Blue – M/L)

$134.78 Original price was: $134.78.$94.35Current price is: $94.35.
OUR SHOP
  • My account
  • Checkout
  • Cart
  • Payment Method
CONTACT
  • About Us
  • Contact Us
  • FAQ
  • Returns & Exchanges
CUSTOMER SERVICES
  • Privacy Policy
  • Shipping & Returns
  • Term and Conditions
  • Delivery
STAY IN TOUCH

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © Cycling Equipment Store
    • Bike Apparel
      • Biking Body Warmers
      • Bike Shorts & Bibs
      • Bike Gloves
      • Bike Pads & Protection
      • Bike Shirts & Jerseys
      • Bike Jackets
      • Bike Socks
      • Bike Helmets
      • Bike Sunglasses & Bike Goggles
      • Bike Shoes
    • Bikes & Frames
      • Mountain Bikes
      • Gravel & Cross Bikes
      • Road Bikes
      • Kids’ Bikes
      • Electric Bikes
    • Bike Components
      • Bike Grips & Tape
      • Bike Pedals & Cleats
      • Misc Small Bike Parts
      • Bike Saddles & Seats
      • Bike Handlebars
      • Bike Chainrings
      • Bike Tubes
      • Bike Chains
      • Bike Headsets
      • Bike Tires
    • Bike Maintenance
      • Bike Tools
      • Bike Lube & Grease
      • Tubeless Bike Maintenance
      • Bike Cleaners
    • Bike Accessories
      • Bike Packs & Bike Hydration
      • Bike Lights
      • Bike Packing & Touring
      • Bike Locks
      • Floor Bike Tire Pumps
      • Bike Water Bottles & Cages
      • Bike Racks & Fenders
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.