RockShox DebonAir C1 Air Spring Upgrade Kit - 120mm Fits Yari A1+ (2016+) MFPN=FS0001 Includes an assortment of spacers

Includes an assortment of spacers to optimize chainline and crank clearance and an Odyssey 6061-T6 aluminum dust spacer

They are also available in some common rear frame sizes

Frame = the size of the seat tube the derailleur plus shim will fit

The 4th edition of the Big Blue Book of Bicycle Repair is updated with the latest information procedures and techniques and covers everything from minor adjustments to complete overhauls

One inch base fits wrench or bench vise

RockShox DebonAir C1 Air Spring Upgrade Kit - 120mm Fits Yari A1+ (2016+) MFPN=FS0001 Includes an assortment of spacersRockShox DebonAir C1 Air Spring Upgrade Kit 120mm Fits Yari A1+ (2016+). DebonAir air spring assembly to update Yari and Lyrik forks.