This extender is fixed,can not adjust,but it holds up really well, no shocking in riding and no movement at all.
Quick Slots enhance stability of zip-ties, locking accessories into a secure position.Hold multiple accessories at once.

Specification:
Material:Plastic body, Ultra-light.
Fit handlebar diameter:25.4mm/31.8mm(By add or remove rubber gasket)
Bracket diameter:25mm
Bracket length:50cm
Color:Black
Net Weight:30g
Size:62mm*94mm
Universal mounting for smart phone, cycling computers, GPS navigation units, GoPro, lighting systems, and other handlebar mounted accessories using a stock mounting bracket.
Suitable for mountain bike,road bike,folding bike and most types of bike.
What you get:
1 X Bike Extender
1 X Hex wrench
Features:Oversized bracket and I-beam construction for extra carrying capacity.