The JetBlack S3 Sport Indoor Trainer is an affordable option for converting your bike into an indoor trainer. It features a single resistance level optimized for indoor riding and fitness improvement. To set it up, replace your bike's rear skewer or thru-axle with the one provided, clip your bike into the trainer, and you're ready to ride. The trainer comes pre-assembled, and its wide base with anti-slip feet ensures stability. After use, it folds into a compact shape for easy storage. Ideal for those seeking an economical way to boost their fitness. SKU: JBT-S3.
The JetBlack S3 Sport Indoor Trainer is an affordable option for converting your bike into an indoor trainer. It features a single resistance level optimized for indoor riding and fitness improvement. To set it up, replace your bike's rear skewer or thru-axle with the one provided, clip your bike into the trainer, and you're ready to ride. The trainer comes pre-assembled, and its wide base with anti-slip feet ensures stability. After use, it folds into a compact shape for easy storage. Ideal for those seeking an economical way to boost their fitness. SKU: JBT-S3.
in 3 offers
The lowest price for JetBlack S3 Sport Indoor Trainer by 99 Bikes right now is $149.00 at bikes.com.au, compared across 3 retailers.
The all-time low was $127.96 on 8 Nov 2025 — today's price is 16% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 14 July 2026.
JetBlack S3 Sport Indoor Trainer by 99 Bikes
The JetBlack S3 Sport Indoor Trainer is an affordable option for converting your bike into an indoor trainer. It features a single resistance level optimized for indoor riding and fitness improvement. To set it up, replace your bike's rear skewer or thru-axle with the one provided, clip your bike into the trainer, and you're ready to ride. The trainer comes pre-assembled, and its wide base with anti-slip feet ensures stability. After use, it folds into a compact shape for easy storage. Ideal for those seeking an economical way to boost their fitness. SKU: JBT-S3.
The JetBlack S3 Sport Indoor Trainer is an affordable option for converting your bike into an indoor trainer. It features a single resistance level optimized for indoor riding and fitness improvement. To set it up, replace your bike's rear skewer or thru-axle with the one provided, clip your bike into the trainer, and you're ready to ride. The trainer comes pre-assembled, and its wide base with anti-slip feet ensures stability. After use, it folds into a compact shape for easy storage. Ideal for those seeking an economical way to boost their fitness. SKU: JBT-S3.
Last updated at 14/07/2026 21:27:41
Jetblack S3 Magnetic Sports Trainer
Jetblack S3 Sport Trainer
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Jetblack S3 Sport Trainer
Delivery between Fri – Tue $22.33
originally posted on 99bikes.com.au
Easy to set up, easy to use, and looks good. Very happy with the ability to keep peddling when the weather isn't the best to be outdoors.
originally posted on 99bikes.com.au
awesome devicegreat servicecouldn't be happier
originally posted on 99bikes.com.au
Easy to set up and use for an old timer like me. Happy to recommend it.
Jetblack S3 Magnetic Sports Trainer
Jetblack S3 Sport Trainer
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Jetblack S3 Sport Trainer
Delivery between Fri – Tue $22.33
Easy to set up, easy to use, and looks good. Very happy with the ability to keep peddling when the weather isn't the best to be outdoors.
awesome devicegreat servicecouldn't be happier
Easy to set up and use for an old timer like me. Happy to recommend it.
