Shimano SP41 Derailleur Housing Box 4mm x 50m, Black menssummerapparel while two internal compression straps

while two internal compression straps secure the load

while the midweight cushioning shields feet from harsh terrain and cold temperatures

Ventilation zipper

allowing kids to stay focused even on rough trails

Shimano SP41 Derailleur Housing Box 4mm x 50m, Black menssummerapparel while two internal compression strapsA 50 meter roll of 4mm shift derailleur housing for Shimano mechanical drivetrains, the Shimano OT SP41 Derailleur Housing in black is the bulk roll source for shop and DIY builds. The SP41 housing uses stiff stainless linear reinforcements that resist compression and a silicone grease prelubricated inner liner that reduces friction between cable and housing, which is what gives Shimano mechanical shifting its precise lever feel. At 50 meters per box,