FSA SX Pro Internal Headset H2090C 3.5/21.2mm Stack 5mm MPFN-ISTR9180L Inspired by the legends of

Inspired by the legends of the sport the LGG provides a supple ride durable yet lightweight construction and puncture-protection belt under the tread

Fitment designed for two bottles

Defend collection is designed to perform in the most demanding conditions

Bead Socket Technology (BST) is a patented rim shape that creates an advanced airtight system for tubeless bicycle rims and tires making an easier to use safer and more secure interface between the rim and tire

Adds height to frames with short steerer tubes or headtubes

FSA SX Pro Internal Headset H2090C 3.5/21.2mm Stack 5mm MPFN-ISTR9180L Inspired by the legends ofFSA SX Pro Internal Headset H2090C 3. 5 21. 2mm Stack 5mm. This FSA internal headset offers a compact design and robust construction ensuring consistent performance across a variety of cycling conditions.