*RISK Mountain Bike Seatpost Clamp Ring Road Bicycle Seat Post Collar
*100% brand new and high quality
*Made of high quality materials, durable and practical
*Applicable to mountain/road bikes
*According to the diameter of the seat post, the model of the clamp needed can be deduced
1. If the diameter of the seat post is 27.2, 28.6mm, choose the 31.8mm clamp ring (Not applicable to fixed gear bikes);
2. if the diameter of the seat post is 30.4, 30.8, 30.9, 31.6mm, choose the 34.9mm clamp ring.
Note: The above data is from RISK laboratory experience data, please refer to the actual situation