ALUGEAR 1x Aero Chainring for 110 BCD 5-Bolt Road/Gravel - Red Size:54t Close-to-body vest-pack construction

Close-to-body vest-pack construction

Axle Type - 12mm Thru Axle

and its manufacturing are as complex and high tech as it gets

12mm E-THRU axle

a shock resistant steel which has been refined by Swiss and German toolmakers for the optimal balance of strength

ALUGEAR 1x Aero Chainring for 110 BCD 5-Bolt Road/Gravel - Red Size:54t Close-to-body vest-pack constructionChainring 1 speed narrow wide Round for 110 BCD 5b Road Gravel AERO Specifications Diameter: 36T 154,2mm; 38T 161,3mm; 40T 171,0mm; 42T 179,0mm; 44T 187,0mm; 46T 195,5mm; 48T 202,4mm; 50T 210,4mm; 52T 219,0mm; 54T 227mm; 56T 235mm; 58T 243mm; 60T 251mm Technology: Narrow Wide chainring teeth (1 speed) Material: Aluminum 7075 T6 Surface coating: Anodizing Compatibility For cranks with 110 mm bolt circle diameter (5 arms). Shimano Dura Ace 7900, 7950,