For Sale Cannondale Bike ISO 4210 - Size M - Bicycles - Raleigh, North Carolina | Facebook Marketplace
![What does ISO 4210 and the Black diamond with a jagged line with the 4 to the side of it mean? Just out of curiosiy : r/MTB What does ISO 4210 and the Black diamond with a jagged line with the 4 to the side of it mean? Just out of curiosiy : r/MTB](https://preview.redd.it/bsta316fc5c11.jpg?width=1080&crop=smart&auto=webp&s=382966bc0721928e618016c3e54f1abdfcd4a99b)
What does ISO 4210 and the Black diamond with a jagged line with the 4 to the side of it mean? Just out of curiosiy : r/MTB
![Cannondale synapse iso 4210 road bike 58”! Brand New rear & Saddle! for Sale in Hayward, CA - OfferUp Cannondale synapse iso 4210 road bike 58”! Brand New rear & Saddle! for Sale in Hayward, CA - OfferUp](https://images.offerup.com/ujCdkxxtj3y_PPys29_TOzGTyDI=/333x250/a03a/a03a52ccd03e450f8d88e44de6477793.jpg)
Cannondale synapse iso 4210 road bike 58”! Brand New rear & Saddle! for Sale in Hayward, CA - OfferUp
![Bike Index on X: "STOLEN - Pink Specialized ISO 4210-2 C in Denver, CO https://t.co/1SJR2Wt9NS https://t.co/tQ11mAP4Fg" / X Bike Index on X: "STOLEN - Pink Specialized ISO 4210-2 C in Denver, CO https://t.co/1SJR2Wt9NS https://t.co/tQ11mAP4Fg" / X](https://pbs.twimg.com/media/EvpTPinWQAYFc85.jpg)