# Shimano 105 FC-R7100 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK

The Shimano 105 FC-R7100 12-speed crankset offers an optimized balance between lightweight and efficiency without sacrificing stiffness. The crank is formed with hollow aluminum technology and finished with a durable gloss black anodized. The resin ribs on the back of the chainrings are Shimano 105's unique structural design that achieves both through weight reduction and crisp shifting performance.-   Optimal balance of stiffness strength weight and rotational performance
-   HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker more precise front shifting
-   Hollow anodized aluminum arms for lightweight rigidity and durability
-   44.5mm chainline
-   148mm Q-factor
-   Compatible with HG 12-speed chain
    
    Color
    
    Black
    
    Rings
    
    50/34
    
    Number of Chainrings
    
    Double
    
    Crank Length (mm)
    
    170
    
    Crank Intended Use
    
    Road
    
    Drivetrain Speeds
    
    12
    
    Weight
    
    754
    
    BB Included
    
    No
    
    Pedal Spindle
    
    9/16"
    
    Spindle Interface Type
    
    Shimano Hollowtech II
    
    Chainring BCD
    
    110 Shimano Asymmetric
    
    Chainline/Hub Compatibility
    
    135/142 Road Disc Hubs > 415 mm Chainstay
    
    Defined Color
    
    Black
    
    keyword search
    
    105
    
    Crank Length
    
    170Mm
    
    Chainring Size
    
    50/34T

## Details

- **Price:** 225.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Cranksets and Arms
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 225.00 USD | In stock |

## Images

- Shimano 105 FC-R7100 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-105-fc-r7100-crankset-170mm-12-speed-50-34t-110-asymmetric-bcd-hollowtech-ii-spindle-interface-blk)
> Updated: 2026-07-22