FSA - 1 1/8" HEADSET BEARING - TH-870

Please check precise measurements against the below to determine the correct size.

SPECIFICATIONS

STEERER DIAMETER: 1-1/8"
OUTER DIAMETER: 41.8mm
INNER DIAMETER: 30.5mm
HEIGHT: 8mm
CHAMFER ANGLES: 45°/45°

TH-870S
Stainless balls and races

TH-870E
Chrome steel balls and races

TH-870R
Alloy outer race, chrome steel balls and inner race

Also known as part code MR-121. Black Bearing equivalent is bearing B7

Velo City does not carry all goods available for purchase online. Time for collection may vary depending if the products are required to be sourced from off-site warehouses. The process can take a few days (normally anywhere between 2-10 working days). If you are worried about a delay please feel free to email or call us.

Free Shipping for orders over $150. *this excludes bikes, bulky items & rural deliveries. Items classified as bulky items or a rural delivery do incur a fee, as specified in the shipping section at checkout.

Due to international policy, all bikes purchased online must be shipped to an approved bike store for professional assembly by a qualified bike mechanic—they cannot be delivered directly to your address.

If you're interested in a bike, contact us and we'll help arrange delivery to a participating store near you.

Please note that delivery to another store will incur freight and assembly charges. Any applicable costs will be confirmed with you by our online team before your order is shipped.

All products are covered by manufacturers warranty. If you do need to send items back to us please make sure that you have read our returns policy.