Zeta Stem Cap 13-17.5mm - Red S3-Size-30 S and for longer rides

and for longer rides

Safe for use on Gore-Tex® and all waterproof breathable fabrics

It serves as a vital barrier between the drive chain and the aluminium swingarm surface

Includes the critical main crank seals necessary for maintaining correct air-fuel ratios and engine stability

Steel expander for tighter fastening and to oppose torsion in case of impact

Zeta Stem Cap 13-17.5mm - Red S3-Size-30 S and for longer ridesThe aluminium stem shaft cap keeps dirt and mud out to prevent rust inside the stem shaft. Features: Made of A7009 T6 aluminium and with a lightweight design. Laser printed Zeta logo. Leaf springs hold inside the stem shaft and won't come off, even in hard riding. Fits shaft inner diameter from 1317. 5mm.