7iDP X2 Helmet Blue White S/M CheckoutTitle=Full Speed Ahead Comet MegaTooth Direct Mount Chainring - 30t The Crossbar Substitute works as

The Crossbar Substitute works as a top tube for easier rack mounting for use with “hang-on” type car racks and unconventional frames

Crafted with premium aluminum

TPI 100Color BlackWeight 260Defined Color BlackISO Width (mm) 29ISO Diameter 622 / Road / 29"Tire Intended Use RoadTire Diameter 700cTire Bead FoldingLabeled Size 700 x 28Tire Type Clincher

Volume Range 0-5L Primary Color Grey Volume 1

Giant alloy

7iDP X2 Helmet Blue White S/M CheckoutTitle=Full Speed Ahead Comet MegaTooth Direct Mount Chainring - 30t The Crossbar Substitute works asIn mold polycarbonate shell with EPS liner Extended head coverage Adjustable and crash flexible visor Cradle retention fitting system Integrated strap anchors 13 super vents Hand washable pads Clip buckle Lightweight; 300g (S M), 320g (L XL) Certifications CE, EN1017, CPSC (US) Model X2 Color Blue White Size S M Size (cm) 54 58 Shell Open Face Visor Yes