PROLOGO DIMENSION TRI TIROX 143 BK/SL ULTRA-TORQUE CNC machined from 7075 aluminum

CNC machined from 7075 aluminum and anodized for a long lasting durable chainring

Shimano style ratchet road freehubs

Fits all rim brakes and `08 & older Julie brakes

7` analog gauge for easy viewing

Includes multiple adapters to fit a variety of steerer tubes

PROLOGO DIMENSION TRI TIROX 143 BK/SL ULTRA-TORQUE CNC machined from 7075 aluminumNew V Shape base paired with a wider tip and larger seating area improve comfort and overall performance Variable density foams throughout further improve long term comfort and reduce pressure especially while in an aerodynamic position PAS features a channel in the seat to alleviate pressure and numbness in the pelvic region by promoting healthy perineal blood flow Nack models feature a Nano Carbon composite rail paired with reinforced seat clamp