Box Four 8 Speed Wide Range Groupset - Single Shift - 11-42T - 8 Speed netsuite-webdata-created Other 104 BCD sizes -

Other 104 BCD sizes - you will need 8mm bolts (stock size that comes on 3x cranksets holding the middle and big rings on)

The Femto's durable co-molded construction is minimal and has an IPX7 water resistance rating

Materials: The poly-fabric construction is lightweight

yet bring it down to a state of relaxation when you're off the bike

Cable actuated for fuss-free use

Box Four 8 Speed Wide Range Groupset - Single Shift - 11-42T - 8 Speed netsuite-webdata-created Other 104 BCD sizes -The 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