# Wolf Tooth 120 BCD Chainring - 36t 120 BCD 4-Bolt Drop-Stop B Black

Designed as a direct replacement for cranks or 4-bolt spider utilizing a 120 BCD. These rings will allow you to convert your 120 BCD crankset like the SRAM XX and others to a 1x application. They feature Wolf Tooth's proprietary mud clearing Drop-Stop tooth profile design. NOT Compatible with Full Speed Ahead (FSA) 4-bolt cranksets.-   Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention
-   Drop-Stop chainrings are designed for use with 1x9 1x10 1x11 and 1x12 drivetrains (NOT Compatible with Full Speed Ahead (FSA) 4-bolt cranksets)
-   Compatible with all 10- 11- and 12-speed chains with the exception of Shimano 12-speed chains
-   Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings
-   If using a 9-speed drivetrain use a 10-speed chain which will provide a tighter fit for better chain retention
-   This chainring is threaded and requires the stock chainring bolts that came with the crank (not compatible with 6mm/10mm chainring bolts)
-   Made from 7075-T6 aluminum for long life
    
    Ring Position/Type
    
    Chain Retaining Single Ring
    
    Tooth Count
    
    36
    
    Drivetrain Speeds
    
    12
    
    Chainring BCD
    
    120
    
    Color
    
    Black
    
    Defined Color
    
    Black

## Details

- **Price:** 89.95 USD
- **Vendor:** Gio's Outdoors
- **Type:** Chainrings
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 89.95 USD | In stock |

## Images

- Wolf Tooth 120 BCD Chainring - 36t 120 BCD 4-Bolt Drop-Stop B Black

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/wolf-tooth-120-bcd-chainring-36t-120-bcd-4-bolt-drop-stop-b-black)
> Updated: 2026-07-22