How do I know what size of Descend headset I need?

Measure the outer diameter of the fork's steerer tube and the inner diameter of the frame's headtube to determine the compatible specification for our Descend headset.

What is the bearing type of Descend?

It's built in high-quality angular contact cartridge bearings.

How do I know if the headset is too tight or too loose?

For a proper fit, the handlebars should swivel smoothly without binding. A too-tight headset restricts turning, while a too-loose one can lead to knocking or rattling.

How often should I service or clean the Descend headset?

It's recommended to do it once a year or every 3,000 miles (5,000 km). Of course, this can vary based on your riding style and the conditions you encounter.

Funn Descend Lower Headset | Desertcart Iceland

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🚴‍♂️ Own the trail with precision and style — Descend into smooth control!

EFFORTLESS STEERING - High-grade angular contact bearings deliver silky smooth, high-speed control.
ROCK SOLID STABILITY - Engineered for extra stiffness to keep your ride steady on aggressive trails.
PERFECT FIT GUARANTEE - Designed for 56mm headtube and 40mm steerer tube diameters—install with confidence.
TRAIL READY DURABILITY - Anodized surface resists scratches and wear, maintaining sleek style ride after ride.
PRECISION AEROSPACE ALLOY - Crafted from 6061 alloy for unmatched strength and featherlight weight.

The Funn Descend Lower Headset is a precision-machined cycling component made from aerospace-grade 6061 alloy, featuring angular contact cartridge bearings for ultra-smooth steering and enhanced durability. Designed specifically for 56mm headtube and 40mm steerer tube diameters, it offers superior stiffness and vibration resistance to maintain control on aggressive rides. Its anodized, scratch-resistant finish with laser-etched branding ensures long-lasting performance and standout style for serious mountain bikers.

Specifications

ASIN	B076GYR4QM
Bearing Number	FN-HD16ZS5640-01
Bearing Type	Contact Bearing
Bearing number	FN-HD16ZS5640-01
Best Sellers Rank	112,814 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 148 in Cycling Headsets
Brand	Funn
Compatible Lubricant	Grease
Country Of Origin	Taiwan
Customer Reviews	4.7 out of 5 stars 198 Reviews
Global Trade Identification Number	04712931182606
Included Components	Headband
Item Dimensions	10 x 10 x 10 centimetres
Item Weight	0.03 Kilograms
Item dimensions L x W x H	10 x 10 x 10 centimetres
Item weight	0.03 Kilograms
Manufacturer	FUNN
Manufacturer Part Number	FN-HD16ZS5640-01
Material	Plastic
Model Number	FN-HD16ZS5640-01
Number of Items	1
Specification Met	ABEC
Specification met	ABEC
Unit Count	1.0 count

Reviews

C**S

Excellent DH Headset

Just need the top half now!

3.06.2024

D**Y

Fit perfectly, so far working as expected no issues on GAS GAS Trail 3.0

My new GAS GAS TRAIL 3.0 mtn bike had a FSA branded headset installed. After 80 miles this FSA started clicking a lot which was disconcerting. A forum recommended this brand top and bottom so I purchased and it installed very easy, as the bearings were apparently exactly the same size - so I could retain the original bearing holders (races? not really a race in loose bearing terminology). I tested back and forth a few times to confirm using my hand, perfect. Installed using the original races and its been fine now for 150 miles or so.

11.09.2025

Z**P

Excellent

Excellent, monté sur un Cube Kathmandu Hybrid one, plus de 2000 km depuis Le montage, n'a pas bougé, aucun jeu.

30.01.2025

P**I

Ottima

Prodotto di qualità, Funn sempre una garanzia.

26.02.2026

J**E

Fit my GasGas ECA 1

Direct fit

18.12.2024

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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3 days ago

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10347 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Customer service was outstanding when I had questions about the product.

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