Patented seatpost with an integrated seat rail clamp. The seatpost tube features 5 holes in which the LEDs are enclosed.
27.2㎜ / 30.9㎜ / 31.6㎜
Color and surface finish
Polished Silver, Matt Black
2 bolt clamp, offset 9㎜
Aluminum 6061 T6
5 LEDs with integrated electrical light control and battery management system. The 5 LEDs are sunk into the seat post tube. The LEDs, circuit board and battery are enclosed in a plastic housing and are thus protected.
There are 2 modes to choose from:
- 5 LED mode (all 5 LEDs light up)
- 3 LED mode / energy saving mode (only the top 3 LEDs light up)
5 high brightness red LEDs
Two Alkaline AA Batteries (DC 3V)
(fully charged battery)
(Minimum) 50 hours - Continuous light mode
(Maximum) 100 hours - Chase, Flashing mode
Seatpost test standard
ISO 4210 City(27.2, 30.9), ISO 4210 Mountain(31.6)
Rear light seatpost
* AA batteries aren't included.
Use the correct diameter corresponding to your bicycle frame.
Use the appropriate tool to fasten the saddle support.
Adhere to the safety lines of the minimum and maximum insertion heights.
The rear light must be mounted in such a way that it is illuminated at the rear. Please observe the minimum insertion mark on the post and ensure that this is adhered to. The rear light must be aligned so that it shines backward. The reference axis (see drawing) must be aligned with the longitudinal axis of the bicycle.
Please refer to the recommended torque settings in the above table. Incorrect torque can damage the product and could lead to personal injury.
Minimum insertion height
The first top LED functions as a button and is used to operate the rear light.
Push and hold for 2 sec
Change between the 3 and 5 light
Mode change : On → Chase → flashing → pulse → continuous → Off
How to insert batteries
Insert two 1.5volt AA batteries into the base of the seatpost. Make sure the (+) direction faces into the post as per the illustration over leaf.
When light and batteries are wet.
If water enters the inside of the seatpost, remove the battery and let the inside of the product dry thoroughly before using it again.
At startup, the product must be dry. Remove any moisture before riding.
After installation, test that the seatpost does not drop under load.
Take care that the LEDs are not covered by a bag or clothing when riding.
Do not make any independent changes to the product. Do not try to open the product.
Steps to take in the event of a failure
If the rear light is defected, it must be immediately replaced.
If you ride with the seat post low, it may be the case that the seat clamp covers one of the lenses. Please ensure that the clamp area is not directly tightened on to the lens as per the illustration below.
Install the seatpost on saddle
Please read through these instructions completely before you install your new seat post.
If you are not an experienced bicycle mechanic, or do not have correct tools for this job, Please take the parts and the instructions to your favorite bike shop. Let them do the work.
Do not modify these seat posts, Modification may result in failure and could cause severe personal injury.
Modification of the seat post will also void the warranty.
Min: -15° C
Max: 45° C
Optimum storage temperature: 20-25°C