K2 Bolt Speed 90mm 85a 8pk w/ ILQ9 Bearings 62mm the fastest and longest lasting

the fastest and longest lasting PU

offering a lightweight and comfortable fit

which was later changed to "7-P" When Bonite construction was discontinued

Bees are important

K2 Bolt Speed 90mm 85a 8pk w/ ILQ9 Bearings 62mm the fastest and longest lastingK2 Bolt Speed Series Size: 90mm Hardness: 85a Full Profile 6 Spoke Standard 608 Core ILQ 9 Bearings & Aluminum Spacers included Pack of 8 Black & Orange Colourway The Bolt Speed wheels with an all new high performance formula, constructed from a high speed urethane with a race profile for a light and fast roll. This formula features both high rebound and durability and is the performance choice for X Trainers.