Welcome to Black Mountain Bicycles. Learn more

Free Shipping On Orders $75+ | some exceptions apply

Fast & Free Shipping

On all orders over $75
Top Brands

Over 50k products
Expert Help

Bike mechanics on standby
Locally Owned

Rider Operated

1 4

ACS Maindrive Headsets

$24⁹⁵

Shipping calculated at checkout.

SKU: B-AM9301 | Barcode: 816411001693

Size

EC30/25.4|EC30/26 EC34/28.6|EC34/30

Color

Black Blue Red

Product variants

Expected Ship Date: Fri Aug 29

Description

Forged steel cups, alloy tops and cap with sealed bearings
Available for 1" (25.4mm) or 1-1/8" (28.6mm) EC (traditional cup) applications

Color	Black
Bearing Type	Cartridge
Crown Race	30
Defined Color	Black
S.H.I.S Upper	EC34
S.H.I.S. Stem Clamp Diameter	28.6 Threadless
S.H.I.S Lower	EC34