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Ships within 48 hours · Estimated delivery Oct 18 - Oct 23
4 and 6 ply nylon carcass
Excellent wet weather performance with our revolutionary patented MICHELIN XST Evo water drop sipes
Innovative inner (medial) side entry opening/closure system that features an elastic mounted zipper with an extra wide Velcro® flap
Tread radius designed for enhanced high speed cornering
Nucleon KR-TB Tail Bone Protector size-36 4 and 6 ply nylonALPINESTARS SIZING CHART The NUCLEON KR TB features a lightweight and easy to use back protection extension for the lowest part of your spine (coccyx). Can be fitted on the KR 1, KR R and KR 2 back protectors.
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