NB-1 Headset

Lightweight, precision sealed bearing alloy headset for use on 1" threadless system forks.

ISO standard type sizing.

 

Features

  • Aluminum Headset cups 
  • Sealed cartridge angular contact bearings
  • Star nut and aluminium Top Cap included 
  • Size: 1" ISO
  • Colour: Silver or Black anodised

 

Specifications

  • Upper stack height: 14mm
  • Lower stack height: 11mm
  • 1" ISO specification sizing:
  • Crown race: 26.4mm
  • Headtube ID: 30.2mm
  • Fork steerer OD: 25.4mm

Note: Please pay particular attention to the diameters, as 0.2mm is a significant difference.

Installing an incorrect size part will damage frames or forks.

Do not use Star Nut insert on Carbon forks.

Seek assistance from an experienced Bicycle mechanic if in any doubt

Dia-Compe NB-1 Headset
Dia-Compe NB-1 Headset
Click image to enlarge
Description Colour Size Wt(g) Part No. Stock Lvl Unit RRP Pack Qty
NB-1 Alloy, Alloy Cups, Sealed Cartridge Bearing, inc Alloy Top Cap - 26.4/30.2Black1"100HDDCNB1K
Low Stock.
£39.99Each 
NB-1 Alloy, Alloy Cups, Sealed Cartridge Bearing, inc Alloy Top Cap - 26.4/30.2Silver1"100HDDCNB1S
Low Stock.
£39.99Each 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available
Description Colour Size Wt(g) Part No. Stock Lvl Unit RRP Pack Qty
NB-1 Alloy, Alloy Cups, Sealed Cartridge Bearing, inc Alloy Top Cap - 26.4/30.2Black1"100HDDCNB1K
Low Stock.
£39.99Each 
NB-1 Alloy, Alloy Cups, Sealed Cartridge Bearing, inc Alloy Top Cap - 26.4/30.2Silver1"100HDDCNB1S
Low Stock.
£39.99Each 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available