Because the edge is elasticated

The actual plug works like a brake bleed nipple

part of SMP's Micro Series

without fighting the throttle return spring

arlen ness beveled fusion footpegs for harley Color:Chrome Because the edge is elasticatedThe Fusion is just that a blend of traction, comfort, style, class, and workmanship. Put a set on your bike. Accentuate your motorcycle's beauty; don't overpower it. Machined from 6061 T 6 billet aluminum and wrapped with either diamond knurled or linear rubber for great grip Matching grips and shift peg available separately Chrome or Black anodized finish Sold in pairs Made in the USA Note: 10 21 XL1200X XS; 11 20 XL1200C; 12 16 XL1200V models