Box Four drive-train

The Box Four drive-train proves that less can be more, and surely 11-42T is plenty of range for an 8-speed cassette. This derailleur still has the Limited Slip clutch but with 42T arrives with a more compact cage that is more up off the rocks. The custom 8-speed chain is built for abuse, although it's sophisticated enough to hold onto a wide/narrow chainring. Push through fewer gears with a no-nonsense shifter. This combo will transport you to 1 by territory for less than $160. 8 speeds are more robust Easy to use Twin Lever Shifter actuation Low maintenance derailleur High durability cassette and chain 42T low gear and compact cage for better ground clearance With the trend to 10, 11, 12, and now even 13-speed cassettes, the gears and chains are getting thinner and more fragile. With a mid-drive motor, you need fewer gears but more strength in drive train components. This is something Box noticed and did something about. Depending on the mid-drive motor, you can be putting between t