Black FUNN Descend Upper Headset, alloy ZS44/28.6 bicycle steering bearing assembly with matching top cap
FUNN Descend Headset with Torn stem, black alloy mountain bike cockpit on silver frame for precise, durable steering control
FUNN Descend Upper Headset diagram showing steerer and head tube sizing, stack height and weight specs for mountain bike fit.
FUNN Descend Upper Headset diagram showing alloy cup profile with ZS44, ZS49 and ZS56 sizes and detailed millimeter measurements.
FUNN Descend Upper Headset exploded view showing silver cartridge bearings and red seals for smooth, durable steering
Black FUNN Descend Upper Headset, low-stack alloy bicycle headset cap with logo, ZS49/28.6 size, for smooth steering control
Black FUNN Descend Upper Headset, low‑stack alloy bike headset top cap for smooth steering, ZS56/28.6 size.
Black FUNN Descend Upper Headset, alloy ZS44/28.6 bicycle steering bearing assembly with matching top cap
FUNN Descend Headset with Torn stem, black alloy mountain bike cockpit on silver frame for precise, durable steering control
FUNN Descend Upper Headset diagram showing steerer and head tube sizing, stack height and weight specs for mountain bike fit.
FUNN Descend Upper Headset diagram showing alloy cup profile with ZS44, ZS49 and ZS56 sizes and detailed millimeter measurements.
FUNN Descend Upper Headset exploded view showing silver cartridge bearings and red seals for smooth, durable steering
Black FUNN Descend Upper Headset, low-stack alloy bicycle headset cap with logo, ZS49/28.6 size, for smooth steering control
Black FUNN Descend Upper Headset, low‑stack alloy bike headset top cap for smooth steering, ZS56/28.6 size.
Black FUNN Descend Upper Headset, alloy ZS44/28.6 bicycle steering bearing assembly with matching top cap
FUNN Descend Headset with Torn stem, black alloy mountain bike cockpit on silver frame for precise, durable steering control
FUNN Descend Upper Headset diagram showing steerer and head tube sizing, stack height and weight specs for mountain bike fit.
FUNN Descend Upper Headset diagram showing alloy cup profile with ZS44, ZS49 and ZS56 sizes and detailed millimeter measurements.
FUNN Descend Upper Headset exploded view showing silver cartridge bearings and red seals for smooth, durable steering
Black FUNN Descend Upper Headset, low-stack alloy bicycle headset cap with logo, ZS49/28.6 size, for smooth steering control
Black FUNN Descend Upper Headset, low‑stack alloy bike headset top cap for smooth steering, ZS56/28.6 size.
Black FUNN Descend Upper Headset, alloy ZS44/28.6 bicycle steering bearing assembly with matching top cap
FUNN Descend Headset with Torn stem, black alloy mountain bike cockpit on silver frame for precise, durable steering control
FUNN Descend Upper Headset diagram showing steerer and head tube sizing, stack height and weight specs for mountain bike fit.
FUNN Descend Upper Headset diagram showing alloy cup profile with ZS44, ZS49 and ZS56 sizes and detailed millimeter measurements.
FUNN Descend Upper Headset exploded view showing silver cartridge bearings and red seals for smooth, durable steering
Black FUNN Descend Upper Headset, low-stack alloy bicycle headset cap with logo, ZS49/28.6 size, for smooth steering control
Black FUNN Descend Upper Headset, low‑stack alloy bike headset top cap for smooth steering, ZS56/28.6 size.

Descend Upper Headset

Descend with Unmatched Smoothness and Stability.

Engineered from aerospace-grade AL6061 and featuring angular contact bearings, the Descend headset delivers exceptionally smooth control, letting you focus entirely on the trail.

Our top and bottom headset pieces are available separately.

Upper cup ZS44/28.6 ZS49/28.6 ZS56/28.6
Steerer tube 28.6 mm 28.6 mm 28.6 mm
Headtube size 44 mm 49 mm 56 mm
Stack height 9.6 mm 10.3 mm 13.5 mm
Weight 72 g 92 g 117 g
Black FUNN Descend Upper Headset, alloy ZS44/28.6 bicycle steering bearing assembly with matching top cap

Descend Upper Headset

Heavy Duty Construction

Heavy Duty Construction

Precision machined aerospace 6061 alloy offers excellent durability to wrad off damages and resistant to vibration during intense rides.

Smooth Control

Smooth Control

With high-quality angular contact cartridge bearings, FUNN Descend ensures effortless, trouble-free turns, even on the roughest terrain.

Parts of Lower Descend headset

Exploded view of FUNN Decent headset assembly, showing individual components stacked vertically, including bearings, spacers, and top cap.

Preload Bolt

Stem Cap

Star Nut

Top Cap

Compression Ring

Cartridge Bearing

Headset Cup
FUNN black alloy Decent headsets in three sizes on rocks, durable mountain bike headset components for smooth steering

What our customers say