CeramicSpeed UFO Racing Chains can save you between 2–5 watts on a distance of 650 km/400 miles
Frame Sirrus X A1 ST Disc Fork Sirrus X Steel Disc Rims 700C disc
61 oz | Length: 82 in/208 cm
BB type 73mm ISO External (24mm) Headset type 1 1/8” integrated Rear axle/hub spacing 3/8" x 135mm axle Max tyre width rear 66mm / 2
8 long handlebar pad Tetoron construction Blue/Multi SE Bikes
SRAM RED Flattop Chain - 12/13-Speed, 126 Links, Flattop, PowerLock, Silver, E1 group CeramicSpeed UFO Racing Chains canSRAM took the lightest and most durable chain theyve ever made and made it lighter. With no compromises. Their HollowPin construction is lighter and stronger than a solid pin, and cutouts in the outer and inner plates drop 13g from the previous generation. This results in a lighter, faster, stronger and more durable chain. Flattop technology enables a narrower chain with quieter operation and increased strength and durability Hard Chrome plated inner