Overview Reviews Product Description XT M740 Headset Top Nut 1" Alloy Threaded Replacement Nut English Shimano NOS Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × XT M740 Headset Top Nut 1" Alloy Threaded Replacement Nut English Shimano NOS Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments