{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}
{{ 'in_app_browser_popup.desc' | translate }}
{{ childProduct.title_translations | translateModel }}
{{ getChildVariationShorthand(childProduct.child_variation) }}
{{ getSelectedItemDetail(selectedChildProduct, item).childProductName }} x {{ selectedChildProduct.quantity || 1 }}
{{ getSelectedItemDetail(selectedChildProduct, item).childVariationName }}
Digirit SCG Cog is made from SUS630 stainless steel with precision CNC machining and a special tooth profile. With HRC45 hardness, low friction and 12T–18T options, it is built for fixed gear drivetrains.
Not enough stock. Your item was not added to your cart.
Not enough stock. Please adjust your quantity.
{{'products.quick_cart.out_of_number_hint'| translate}}
{{'product.preorder_limit.hint'| translate}}
Limit -1 per order.
{{'products.quick_cart.quantity_of_stock_hint'| translate : {message: quantityOfStock} }}
The Digirit SCG Cog is a high-hardness stainless steel rear cog designed for fixed gear and single speed drivetrain setups. Made from SUS630 stainless steel and precision CNC machined, it is built for riders who need strength, durability, and consistent drivetrain performance.
The SCG cog features a special tooth profile designed to reduce chain interference, friction, and unwanted drivetrain noise. Its low-friction design helps improve pedaling efficiency while maintaining long-term durability, making it a practical upgrade for fixed gear builds.
With a hardness rating of HRC45, the SCG cog offers high stiffness and wear resistance for demanding riding, training, and daily use. It is available in 12T, 13T, 14T, 15T, 16T, 17T, and 18T options, allowing riders to fine-tune their gear ratio based on riding style and terrain.
The cog fits 1/2" x 1/8" chains and uses a fixed gear hub thread specification of 1.374" x 24TPI.
Specifications
Brand: Digirit
Product Name: SCG Cog
Material: SUS630 Stainless Steel
Construction: Precision CNC Machined
Tooth Profile: Special low-resistance tooth shape
Hardness: HRC45
Teeth: 12T / 13T / 14T / 15T / 16T / 17T / 18T
Chain Spec: 1/2" x 1/8"
Thread: BC1.37 x 24TPI / 1.374" x 24TPI
Compatibility: Fixed Gear Hub
Features: High hardness, low coefficient of friction, efficiency and durability