Skip to main content

Eleven years running! Off-season hours: M, Tu, Th, & F 11a-6p; Wed. By Appointment Only; Saturday 10a-5p; Sunday CLOSED WELCOME to AVA voucher holders. We are currently taking Lectric bike orders for February 2026. We carry AVA-eligible Marin E-bikes, along with Fuji, Benno and SERFAS E-bikes. Also, our full service repair shop and talented tech team are ready to get your bike in shape today. Questions? Call/Text 510-328-1158; Email: laurelcyclery@gmail.com

  1. Home
  2. Bicycling Catalog
  3. Parts
  4. Cassettes/Freewheels
  5. BOX

BOX One Single Speed Chromoly Cogs

BOX One Single Speed Chromoly Cogs
  • Size: 13T
  • Size: 18T
$34.99
Color: Black
Size: Select size
Please select options Unavailable

Details

Box One Single-Speed Chromoly Cogs are CNC-machined from long-wearing CNC-machined chrome-molybdenum. It's designed to fit Shimano™ compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body.

FEATURES

- Chromoly Steel Offers Extra Long Service Life
- 5mm Wide Inner Base to Give a More Solid Interface with Freehub Body

Part Numbers

Option UPC MPN
Black / 13T 639266092421 BX-CO150CM13-BK
Black / 18T 639266092476 BX-CO150CM18-BK

Reviews