Angular Contact SRAM GXP AUXILIARY BB SEAL KIT for TREK BB90 and BB95 (net molded sockets). 41mm OD Trek-specific drive side seal. 22mm ID x 41mm OD non-drive seal with special "stepped" back.

Replacment BB seal set for Angular Contact SRAM GXP Bottom Brackets running RWC Bearing Kits with angular contact Enduro bearings. The aluminum center of the non-drive side seal has special stepped back that accomodates the bearing inner race shim (reduces ID to 2mm and extends inner race). Replacement wave spring available separately.

NOTE: Sold in sets of 1 drive side and 1 non-drive side seal