Name: S-Works Tarmac SL8 Carbon Post
Brand: Specialized
SKU: 28123-4115
Price: 324.0 CAD
Availability: OutOfStock

$324.00

Shipping calculated at checkout.

Color — Satin Carbon

Satin Carbon

Size

300mm x 0mm Offset

300mm x 15mm Offset

380mm x 0mm Offset

380mm x 15mm Offset

Low stock - 1 item left
Backordered, shipping soon

UPC / SKU

UPC: 888818873210
SKU: 28123-4115

Multiple Financing Options

FREE SHIPPING on eligible orders over $150

Secure checkout

[{"id":47524262281403,"title":"Satin Carbon \/ 300mm x 0mm Offset","option1":"Satin Carbon","option2":"300mm x 0mm Offset","option3":null,"sku":"28123-4100","requires_shipping":true,"taxable":true,"featured_image":{"id":42553220726971,"product_id":8341416050875,"position":1,"created_at":"2026-06-01T17:17:59-04:00","updated_at":"2026-06-01T17:18:01-04:00","alt":null,"width":2048,"height":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681","variant_ids":[47524262281403,47524262314171,47524262346939,47524262379707]},"available":false,"name":"S-Works Tarmac SL8 Carbon Post - Satin Carbon \/ 300mm x 0mm Offset","public_title":"Satin Carbon \/ 300mm x 0mm Offset","options":["Satin Carbon","300mm x 0mm Offset"],"price":32400,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"888818872589","featured_media":{"alt":null,"id":32216236425403,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":47524262314171,"title":"Satin Carbon \/ 300mm x 15mm Offset","option1":"Satin Carbon","option2":"300mm x 15mm Offset","option3":null,"sku":"28123-4105","requires_shipping":true,"taxable":true,"featured_image":{"id":42553220726971,"product_id":8341416050875,"position":1,"created_at":"2026-06-01T17:17:59-04:00","updated_at":"2026-06-01T17:18:01-04:00","alt":null,"width":2048,"height":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681","variant_ids":[47524262281403,47524262314171,47524262346939,47524262379707]},"available":false,"name":"S-Works Tarmac SL8 Carbon Post - Satin Carbon \/ 300mm x 15mm Offset","public_title":"Satin Carbon \/ 300mm x 15mm Offset","options":["Satin Carbon","300mm x 15mm Offset"],"price":32400,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"888818873258","featured_media":{"alt":null,"id":32216236425403,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":47524262346939,"title":"Satin Carbon \/ 380mm x 0mm Offset","option1":"Satin Carbon","option2":"380mm x 0mm Offset","option3":null,"sku":"28123-4110","requires_shipping":true,"taxable":true,"featured_image":{"id":42553220726971,"product_id":8341416050875,"position":1,"created_at":"2026-06-01T17:17:59-04:00","updated_at":"2026-06-01T17:18:01-04:00","alt":null,"width":2048,"height":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681","variant_ids":[47524262281403,47524262314171,47524262346939,47524262379707]},"available":false,"name":"S-Works Tarmac SL8 Carbon Post - Satin Carbon \/ 380mm x 0mm Offset","public_title":"Satin Carbon \/ 380mm x 0mm Offset","options":["Satin Carbon","380mm x 0mm Offset"],"price":32400,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"888818872695","featured_media":{"alt":null,"id":32216236425403,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":47524262379707,"title":"Satin Carbon \/ 380mm x 15mm Offset","option1":"Satin Carbon","option2":"380mm x 15mm Offset","option3":null,"sku":"28123-4115","requires_shipping":true,"taxable":true,"featured_image":{"id":42553220726971,"product_id":8341416050875,"position":1,"created_at":"2026-06-01T17:17:59-04:00","updated_at":"2026-06-01T17:18:01-04:00","alt":null,"width":2048,"height":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681","variant_ids":[47524262281403,47524262314171,47524262346939,47524262379707]},"available":true,"name":"S-Works Tarmac SL8 Carbon Post - Satin Carbon \/ 380mm x 15mm Offset","public_title":"Satin Carbon \/ 380mm x 15mm Offset","options":["Satin Carbon","380mm x 15mm Offset"],"price":32400,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"888818873210","featured_media":{"alt":null,"id":32216236425403,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":47524262379707,"title":"Satin Carbon \/ 380mm x 15mm Offset","option1":"Satin Carbon","option2":"380mm x 15mm Offset","option3":null,"sku":"28123-4115","requires_shipping":true,"taxable":true,"featured_image":{"id":42553220726971,"product_id":8341416050875,"position":1,"created_at":"2026-06-01T17:17:59-04:00","updated_at":"2026-06-01T17:18:01-04:00","alt":null,"width":2048,"height":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681","variant_ids":[47524262281403,47524262314171,47524262346939,47524262379707]},"available":true,"name":"S-Works Tarmac SL8 Carbon Post - Satin Carbon \/ 380mm x 15mm Offset","public_title":"Satin Carbon \/ 380mm x 15mm Offset","options":["Satin Carbon","380mm x 15mm Offset"],"price":32400,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"888818873210","featured_media":{"alt":null,"id":32216236425403,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2048,"width":2048,"src":"\/\/thebikezone.com\/cdn\/shop\/files\/28123-410_CMPNT_SW-TARMAC-SL8-CARBON-POST-300MM-0-OFFSET_HERO.jpg?v=1780348681"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

S-Works Tarmac SL8 Carbon Post $324.00

Color: Satin Carbon

Size: 380mm x 15mm Offset

Checking pickup availability

This replacement seatpost for the Tarmac SL8 ensures the perfect fit with two different setback options—0mm and 15mm.

FACT carbon construction and aerodynamic profile compatible with the 2024 Tarmac SL8.
Setback: 0/15mm.
15mm offset: 2-bolt micro-adjust clamp with 46mm saddle rail cradle enables an effective offset from 0mm to 15mm.
0mm offset: Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt.

The Bike Zone ships within Canada only.

Bicycle shipping is a flat $100.

Free shipping applies to other eligible orders over $150 shipped to:
British Columbia
Alberta
Saskatchewan
Manitoba
Ontario
Quebec

Remote regions in these provinces may be subject to additional shipping charges after the order is placed. Larger bulkier items can also be subject to additional shipping charges.

For more information on shipping, see our Shipping Policy

For answers to frequently asked questions, visit our FAQ page.

Need help or have a question? Contact Us by email, phone or come see us in person - we’re always happy to help.

S-Works Tarmac SL8 Carbon Post

Product Specifications

missisauga store

barrie store

online orders support