Lewis Post-Mount Adaptor - Silver PNS durable and equipped with SRAM's

durable and equipped with SRAM's super wide 10-42t gear range that's a perfect fit for any ride

Still remains a staple for your everyday summer rides

while the gusseted tongue ensures a snug fit and mid-foot support

) in Cannondale BB30A (42mm ID

which allows you to store your laptop (15-inch) and belongings

Lewis Post-Mount Adaptor - Silver PNS durable and equipped with SRAM'sCNC machined from 7075 T6 Aluminum, Lewis offers precise fitting to most frames and forks. Specifications Compatible with 140160mm, 160180mm, and 180200mm RotorsHigh Strength, Strong and Durable Mfr Claimed Weight 28g (Used for 140 to 160, 160 to 180, 180 to 200.)