New-Old-Stock Shimano 105 SC Double Crankarm Set (Model FC-1055.172.5 mm)
New-Old-Stock (NOS) Shimano 105 SC Double Crankarm Set (Model FC-1055...172.5 mm) Thank you for your interest in this item and please visit our store for other offerings. This offering is for a set of new-old-stock Shimano 105 SC crankarms (Model FC-1055) for a double chainring set. The crankarms are made from a forged alloy (for added strength and durability), so they should hold up well under most conditions. The date code stamped on the backside of each crankarm indicates an early 90's model, which makes this a fairly unique item in new-old-stock condition. Shimano's 105 drivetrain during this era was index (or as Shimano used to call it, "SIS") shifting capable and was marketed primarily as a 7-speed groupset although this crankarm set should perform well with other drivetrains, as long as the specs. Noted below are adhered to. The crankarm set measures 172.5 mm in length, weighs 578 grams (per our digital postal scale) and has a bolt-circle diameter ("BCD") of 130 mm. Other specifications indicate the crankarm set is designed to accept a JIS spec'd square-tapered bottom bracket. Additionally, if matched with an English threaded frame, then this crankarm set requires a bottom bracket with a 68 mm shell and a 113 mm spindle. Although, if matched with the less common Italian threaded frame, then a 70 mm shell and a 115 mm spindle will be needed to ensure optimal chainline for functional index shifting. Catalog research further indicates if a newer cartridge bottom bracket is matched with these crankarms, then a 115 mm spindle length is recommended regardless of the bottom bracket shell specs.
As for condition, this is a new and unused crankarm set that shows really well. The downside is I have very few in this size (the 172.5 mm length) and sourcing these stocks has been (both) difficult and expensive. I don't think this is my last set in this size, but we're getting close to the end of my stocks. You may visit our store by clicking on this "Store Home Page". Link and please note the product categories on the left side of our "Store Home Page".
We have also moved our "Terms and Conditions". You may navigate to this page by clicking on the link on the left side of our "Store Home Page". Unfortunately, this service is more expensive, especially for smaller/lighter packages, relative to the First Class International service. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Cranksets".
The seller is "bicyclists_retreat" and is located in this country: US. This item can be shipped worldwide.
- Model: 105
- Country/Region of Manufacture: Japan
- Number of Chainrings: Double
- Material: Aluminum
- Crankarm Length: 172.5mm
- Color: Gray
- Part Type: Crank Arm Set
- Compatible Bike Type: Road Bike
- Brand: Shimano
- Bottom Bracket Shell Type: Square Taper JIS