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 flush (non-stepped) back.

Replacment BB seal set for SRAM GXP Bottom Brackets running RWC Bearing Kits with Enduro bearings. The aluminum center of the non-drive side seal has a flush (non-stepped) back for use with Enduro bearings that have an integral extended inner race (in other words, do NOT have a separate race extender installed into the bearing). Replacement wave spring available separately.

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