RENNEN ULTRALITE SPIDER Size:Red new Box One™ Stem Locks

new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube

Warm it up and cool it down with the Tangent Per/Post extender

Pedal washers included

Up Sweep: 3 °

Diamondized pattern for optimal traction

RENNEN ULTRALITE SPIDER Size:Red new Box One™ Stem Lockshe Rennen Ultralite Spider is the lightest 5 bolt Crank spider available. Specs: Lightest at 32grams 5 bolt 110mm BCD Extraction feature of the spider just like what is available on our popular RayceLite gears. Don't ruin your expensive cranks, thread in the 6mm cone point extraction screws and safely remove your spider from the cranks. Compatible with most square taper crank systems that use a (5 8") 0. 625inch square mounting boss.