Description

Description

The Tern Chainring GSD G1 20T Black (SKU: BKTNP371) is the official factory replacement sprocket specifically engineered for the front drivetrain of the Tern GSD Gen 1 (G1) cargo e-bikes.

Tooth Count: 20T.
Finish: Hard-wearing black anodised coating to handle high-torque cargo hauling.
Compatibility: Designed exclusively for the Tern GSD S10 Gen 1 equipped with Bosch motor systems that utilize a small front drive sprocket.

Note: If you are experiencing slipping or skipping, it is highly recommended to use a chain checker tool or replace your chain simultaneously, as a worn chain will rapidly accelerate wear on a brand-new chainring

Tern Chainring GSD G1 20T Black

$44.90

Tax included. Shipping calculated at checkout

SKU:
BKTNP371
BRAND:
TERN
BARCODE:
FUTURE SHIPMENTS:

Select stock item

Product variants

Some dropdown options are for individual parts or specific sizes. Please select carefully.

FAST SHIPPING

14 DAY RETURNS

EXPERT SUPPORT

Note on Availability Items available on our website are not always available in-store, some are only held by our suppliers. In-store items usually arrive 2-3 business days after the order is dispatched (rural deliveries can take an extra 2 business days). Items only held with supplier might take up to 7 business days from when the order is dispatched, depending on the supplier. Please contact us if you have specific questions.

SHIPPING INFORMATION

At Chain Reaction, we aim to deliver your order as quickly as possible.

Free Shipping on Gear: Orders over $139 (excludes Bikes & Bulky items)
Delivery Times:
In-Store Items: Arrive in 2–3 business days (extra 2 days for rural).
Supplier-Only Items: May take up to 7 business days, depending on the supplier.
Selected Bikes:
Nationwide shipping for select bikes: $60 or free pick-up from our Christchurch store.
Shipped bikes require some assembly. Picked-up bikes are fully built and ready to ride.
Click & Collect: Available for most products. Collect at 4/218 Moorhouse Ave, Christchurch.
Dangerous Goods: Items like batteries and aerosols may incur additional fees due to safety regulations.
Returns: Changed your mind? Return unused items in original packaging within 14 days for a refund (shipping costs excluded).

For full details, visit our Shipping Page.

Description

The Tern Chainring GSD G1 20T Black (SKU: BKTNP371) is the official factory replacement sprocket specifically engineered for the front drivetrain of the Tern GSD Gen 1 (G1) cargo e-bikes.

Tooth Count: 20T.
Finish: Hard-wearing black anodised coating to handle high-torque cargo hauling.
Compatibility: Designed exclusively for the Tern GSD S10 Gen 1 equipped with Bosch motor systems that utilize a small front drive sprocket.