Description
Shimano Ultegra FC-6500/6503 170 Cranks Crankset 52/39/30T w/BB Road/Cross/Gravel Bike 9-Speed
Shimano Ultegra 6500/6503 Crankset has been inspected, sonic cleaned, and lubed. Ready to be used.
Inventory number: 0346
The Shimano Ultegra FC-6500/6503 crankset is a well-regarded, older-generation component known for its durability and classic design. Here is some key industry information and compatibility details for this triple crankset:
Key Features and Compatibility
- Drivetrain Speed: The FC-6500/6503 series is designed specifically for 9-speed drivetrains. While some riders have successfully used it with 8-speed or even 10-speed systems by carefully matching other components, it’s optimized for 9-speed performance.
- Crank Arm Length: The crankset you’ve specified has a length of 172.5mm, a common size for road bikes.
- Bottom Bracket Interface: This crankset uses Shimano’s older Octalink V1 bottom bracket standard. It is not compatible with the modern Hollowtech II external bottom brackets. The correct bottom bracket for the triple crankset is the Shimano BB-6500 with a spindle length of 118.5mm.
- Chainrings: Being a triple crankset, the FC-6503 version typically features chainrings with tooth counts like 52/42/30T. The bolt circle diameter (BCD) is 130/74mm for the main rings and the smaller inner ring, respectively. It is recommended to use the original FC-6503 chainrings for optimal shifting performance.
- Intended Use: This crankset was originally designed for road bikes, providing a wide range of gears suitable for varied terrain, especially climbing.
- Gravel/Cross Compatibility: Because it is a 9-speed triple, the FC-6503 is a popular choice for building up older road bikes for cross or gravel use. The triple chainring setup offers an excellent low-end gear range for steep climbs or riding with a heavy load. It’s a solid, reliable choice for a touring bike. You can pair it with a 9-speed road derailleur or, for an even wider gear range, a 9-speed mountain bike rear derailleur.
Is the item out of stock, or not exactly what you are looking for?
(Bike Part Picker) Suggestions: (Powered by eBay Affiliate)
Crankset: (Double) Shimano Ultegra 53/39 FC-6500 (Triple) Shimano Ultegra 52/42/30 FC-6500/6503
A little about the seller:
I’ve been in the cycling industry for more than 30 years (I know, that makes me old!). I’ve been a professional bicycle mechanic for most of those years, including working locally at Lee’s Cyclery before they became Trek Stores. Now I work from home as a Customer Success Manager for a software team. But I still love fixing up and working on bikes and riding them too!
Purchase from me with peace of mind. Not only can you trust my years of experience, but I will also fit you for the bike and provide any mechanical insight at the time of purchase.
Shipping information:
I ship USPS Ground. I try to keep it simple. It will be packed very well, but if you see any damage to the box or Part, keep the box and packing material plus, take pictures. I do insure all parts that are shipped. In addition, if shipped out of Colorado, there is no Sales Tax. You can also combine shipping with multiple items.
