- Shaft length: 180 mm
- Extension length: 90/110 mm
- Angle: 0 - 50 °
- Material: aluminium
- Color: black / silver
- Steerer: Ø 22.2 mm or Ø 25.4 mm
- Bar clamp: Ø 25.4 mm
- Weight: 605 g
GNJ250: 90 mm extension, 22.2 mm steerer
GNJ251: 110 mm extension, 22.2 mm steerer
GNJ252: 90 mm extension, 25.4 mm steerer, black
GNJ253: 110 mm extension, 25.4 mm steerer