All Balls Lower Steering Stem Kit Part Number:A04-251515 (MFG #: 25-1515) When high performance athletes demand

When high performance athletes demand high performance cooling and comfort

YKKAquaguardfront zipper

the Terra features the same commitment to quality and detailed design you've come to expect from 509

Side shell couple with soft EPS foam prevents damage to collarbone in the event of a crash

Comfort gussets for the index and middle fingers

All Balls Lower Steering Stem Kit Part Number:A04-251515 (MFG #: 25-1515) When high performance athletes demandDrop in replacement. Tapered roller bearing decrease maintenance. Complete with both upper and lower taper bearing cups, cones and seals (top and bottom seals are included in most kits)