FOX 38 Performance Suspension Fork - 27.5" 170 mm 15QR x 110 mm 44 mm Offset Matte BLK Grip 3-PositionFOX 38 Performance Suspension Fork 27. 5" 170 mm 15QR x 110 mm 44 mm Offset Matte Black Grip 3 Position. The 38 Performance Series forks retain the same black anodized 7000 series aluminum upper tubes as Performance Elite except paired with a GRIP damper. Push button bleeders are not included but can be purchased separately. Black anodized upper tubes FIT GRIP damper and FLOAT EVOL air spring Three on the fly compression damping positions: Open Medium