Stan's Pawl and Spring Kit E-Sync CheckoutTitle=Ergon SM Enduro Saddle - Stealth year/model Deluxe ThruAktiv (A1-B1) Trek

year/model Deluxe ThruAktiv (A1-B1) Trek Mount description eyelet assembly

} Air spring kits do not include top cap assembly unless specified

}TruVativ Descendant Carbon Eagle Boost Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Black

Internal Rim width = 76mm

Stan's Pawl and Spring Kit E-Sync CheckoutTitle=Ergon SM Enduro Saddle - Stealth year/model Deluxe ThruAktiv (A1-B1) TrekReplacement freehub bodies include pawls and springs pre installed M Pulse hubs: six pawls are equipped with Neodymium magnets engaging every 1. 66 deg E Sync hubs: fast 8. 18 deg engagement with reinforced high torque pawls HG 11sp road FH body requires a 1. 8mm spacer (included) for use with a Shimano SRAM 8 11sp HG mountain cassettes XDR drivers require a 1. 8mm spacer (included) for use with a XD cassette Instructions and hub axle determinations