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