US$ 45.00
The PRO Chain Tension Device maintains chain tension while the rear wheel is removed during transit
quieter system with enhanced inboard and outboard shift performance
Battery: Li-Ion
but substitutes a folding bead material for reduced weight
Topeak Gauge For Joe Blow Booster E1 The PRO Chain Tension DeviceFor JoeBlow Booster. Mfr Claimed Weight TBC
US$ 45.00
US$ 95.00
US$ 21.95
US$ 45.00