Cane Creek AER II Series Headset Top Assembly - Black - ZS44-28.6 YGroup_7033415893037 then breaks down into a

then breaks down into a trademark SILCA Duck waxed canvas carrying case measuring 120mm x 70mm x 30mm which means it will easily disappear into a jersey pocket

5x Tire repair plugs (Pointed tip)

Additional sensors (sold separately) allow upgrades to include

T30 - Lots of chainring bolts - particularly Shimano ones

tacky grip

Cane Creek AER II Series Headset Top Assembly - Black - ZS44-28.6 YGroup_7033415893037 then breaks down into aLong recognized as the world's lightest headset, the new AER now offers a hybrid steel and aluminum bearing that provides even greater durability and a 40% weight savings over comparable models. Strategic machining and precision contours provide an optimal balance between weight savings and strength. The new AER headset is now an ideal headset choice for road and mountain bike applications a high quality durable headset with durability and lightweight