CONICAL SEAT - 991 $0.00 14MM 1.50 (A) 2.17" (55MM) • (B) 3.43 (87MM) / 991 - $0.00 Size 14MM 1.50 (A) 2.17" (55MM) • (B) 3.43 (87MM) SKU 991 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.