Universal size Outer diameter :34.3mm, inner diameter :28.6mm(1-1/8 "), gasket height :5+10+15+20mm, suitable for most mountain bikes, road bikes, folding bike.
All carbon fiber material: fully automatic cutting process, uniform incision, tight interface joint, perfect fit your bicycle fork/bowl group, bicycle Stem
Popular size combination:5+10+15+20mm, can be assembled at will after purchase, so that you can get the best riding experience
Ultra-light:the total weight of the four washers is only 15.5g, equivalent to 42% of the weight of the same size aluminum, to ensure that the lighter while the strength is unchanged
After-sales worry:if you have any quality problems, please contact us, Yarui Jia will provide you with professional and fast after-sales service.