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Happy 2022! Our *new* Winter hours are M 11a-4p, Tu-F 11-6, SAT 10-6. (CLOSED Sunday). Check out our new stock (including 2022 models!) of Breezer, Marin, Fuji and SE for commuters, gravel crunchers, BMX and recreational riders. To schedule bike repair, click thru to our online appointment system below. We will accept walk-up repairs until March 1. We ask that clients be masked and vaccinated as a requisite to enter our store. Questions? E-mail us at or text/call us at 510-328-1158.

Gusset 1'er Singlespeed Conversion

Gusset 1'er Singlespeed Conversion
  • Color | Size: Silver/Black | 12/13t
  • Color | Size: Silver/Black | 16/18t
Please select options


- Converts any 8-10sp HG splined cassette hub to a Singlespeed
- 3/32" cogs. 14mm and 19mm spacers can be swapped to fine tune chainline

Part Numbers

Option UPC MPN
Silver/Black / 12/13t 05051699002603 CSGUONM