Surly Krampus 29" QR Fork 1-1/8" Straight Steerer BlackSurly Krampus 29" QR Fork 1 1 8" Straight Steerer Black. The Krampus rigid mountain forks are designed around the Surly Krampus frame for that perfect match. Full chromoly fork with butted and tapered blades generous tire clearance and plenty of features to attach various accessories. Available in Quick Release and Thru Axle dropout options. TECH SPECS Steerer Type Straight Color Black Brake Mount (Fork) IS Disc Brake 160 Brake Type Disc Crown Race 30