Speed, smoothness and stability for city riding: the CST Platinum-e Eternity is built for e-bikes that rack up urban kilometres. A 3 mm Defender Rebound layer guards against punctures, and the high-volume 700 x 55 casing keeps the ride comfortable.

Highlights

  • Made for urban e-bike riding
  • Defender Rebound 3 mm puncture protection
  • Dual compound tread
  • 60 TPI casing with wire bead
  • E50 rated for e-bikes up to 50 km/h
  • 110 kg load rating, 65 PSI maximum

Protection for daily kilometres

Defender Rebound is CST's 3 mm anti-puncture layer, built into the tyre to help keep sharp road debris away from the tube. A reflective strip on the sidewall adds side-on visibility after dark.

Built to carry an e-bike

The Eternity carries a 110 kg load rating and an E50 rating for e-bikes up to 50 km/h, and its 60 TPI casing and dual compound tread are tuned for smooth, stable city riding.

Compatibility & fit

Sized 700 x 55 (ETRTO 55-622, 28 x 2.15) for 700c rims. Check your frame and mudguard clearance for a 55 mm tyre. Our workshop can fit tyres and tubes for you.

Covered against manufacturing defects in materials and workmanship. Normal wear, punctures and damage from incorrect fitting or inflation are not manufacturing defects. For warranty support, return the product to Tune Cycles and we'll manage the claim with KWT Imports, CST's Australian distributor.
  • Urban e-bike tyre
  • Defender Rebound 3 mm protection
  • Dual compound, 60 TPI casing
  • Reflective sidewall strip
  • E50 rated
  • 110 kg load rating
Size700 x 55 (28 x 2.15)
ETRTO55-622
BeadWire
Casing60 TPI
CompoundDual
Puncture protectionDefender Rebound 3 mm
E-bike ratingE50 (up to 50 km/h)
Load rating110 kg
Maximum pressure65 PSI
Weight1125 g
VisibilityReflective strip
SKU KWT-C755-CTC23
Brand CST
Shipping Weight 0.9000kg
Shipping Width 0.350m
Shipping Height 0.080m
Shipping Length 0.350m