Tannus Armour Tire Insert - 27.5 x 1.95-2.5 Single 4.2mm x 10 When used with a chain

When used with a chain cleaner CB-4 gets bicycle chains clean inside and out so theyre good as new

BBM97 BSA bottom bracket

model FCMX0 length 175mm direct mount/BCD 4x96mm configuration 1x spindle interface 24mm (73mm BB) chainline 53mm material aluminum color black

Low profile and compact tread spacing for riding quickly and confidently over any type of hardpack terrain

Tannus Armour Tire Insert - 27.5 x 1.95-2.5 Single 4.2mm x 10 When used with a chainTannus Armour is the ultimate in tire protection and performance for all levels and styles of riding. Sitting between your tire and inner tube the Tannus Armour provides 15mm of puncture protection on the top as well as 2mm of sidewall protection from sharp objects and rocks. Whether you are a city biker adventure tourer or prefer the off road downhill or gravel trails Tannus Armour gives you increased grip and vibration dampening for a smoother more