Box Four 8 Speed Wide Range Groupset - Single Shift - 11-42T - 8 Speed Ignore Wholesale Tier 1 Brand Rule The Extra Wide E-Bike adapter

The Extra Wide E-Bike adapter grows the width from 73 to 122mm and the recommended width of your top tube and down tube grows from 68mm to 117mm or less

It comes with 3 lengths of strap

heaps of colours

Fits up to 8mm valve holes

Box Four 8 Speed Wide Range Groupset - Single Shift - 11-42T - 8 Speed Ignore Wholesale Tier 1 Brand Rule The Extra Wide E-Bike adapterThe Box Four range is for those people who just want less fuss! You're fond of Prime 9, but know 8 is enough, and surely 12 42T is plenty of range for an 8 speed cassette. The Box Four derailleur still has the Limited Slip clutch but now arrives with a more compact cage. The custom 8 speed chain is built for abuse, although it's sophisticated enough to have its own wide narrow chainring. Who's this item for: The multishift option is perfect for riders