customers reviews ( 19 )

5.0 / 5.0

5 stars 94.8%

4 stars 5.3%

3 stars 0%

2 stars 0%

1 stars 0%

By Matt H.

Been riding the SDY21 for a few months now. The full carbon frame soaks up trail chatter better than my old aluminum bike, and the 12-speed range covers everything from steep climbs to flat sections. Internal routing keeps cables tucked away – no rattling on descents. The 148mm BOOST spacing adds stiffness at the rear wheel, noticeable when pushing through rocky sections. Assembled quickly out of the box, no missing parts. For the price, a capable hardtail that doesn't feel like a compromise.

2026-01-21 19:45:50

By Carlos

Llevo unos 300 km con esta bici. El cuadro de carbono absorpe bastante bien las vibraciones del terreno, mucho mejor que mi aluminio viejo. El rango de 12 velocidades cubre subidas empinadas sin problemas. El montaje fue rápido al sacarla de la caja, no faltaba ninguna pieza. La disposición interna de los cables mantiene el cuadro limpio y sin ruidos en los descensos. Por el precio que tiene, cumple para un uso exigente.

2026-01-07 15:55:10

By Robert Preato

The bike arrived well packed and was easy to assemble. It rides great and handles rough trails surprisingly well.

2025-12-16 19:50:10

By Joe Ford

¡Por fin una bici de carbono que no cuesta una fortuna! La SDY21 es ligera, ágil y muy divertida en el sendero. La relación calidad-precio es increíble. La recomiendo totalmente.

2025-12-11 21:40:50

By Carl Lynch

Upgraded from an old alloy bike and the difference is night and day. The SDY21 soaks up trail chatter and climbs like a dream. The 12-speed range is perfect, and everything just works. Highly recommend!

2025-11-19 19:50:50

By Vince Salvino

Upgraded from a heavy alloy hardtail and the difference is night and day. The bike feels incredibly responsive and the internal routing gives it such a clean, pro look. I was a bit skeptical about the S-Ride groupset at first, but it shifts crisply and has held up perfectly. Fantastic value.

2025-10-15 14:35:50

By Adam D

Took the SDY21 out for its first proper trail ride last weekend and it just disappears under you. The full carbon frame soaks up the chatter, and the 12-speed range is perfect. It’s light enough to climb all day but feels planted when you point it down. Really impressive package for the price.

2025-09-18 14:40:50

By Jan-Dro Loya

An excellent product at a very low price considering the components and quality of the overall bike with full carbon fiber frame and alloy wheels and shimano components. The finish on the frame is perfect with no blemishes or scratches - I am very happy with this purchase and look forward to many trouble free and enjoyable bike miles.

2025-08-28 00:00:00

By Thomas

The 29-inch mountain bike is a good option for everyday riding. It feels sturdy, looks nice, and is comfortable for casual use. It’s easy to assemble and works well for short trips or trails. For the price, it offers good value.

2025-08-18 14:10:30

By Joe Deezy

Built this up as my 'do-it-all' trail bike and it hasn't disappointed. The geometry is spot-on—agile but stable. It’s the perfect balance of efficiency for long rides and enough playfulness for technical sections. For the money, you’d be hard-pressed to find a better performing carbon hardtail.

2025-08-13 16:30:50

High-quality Goods

Enjoy top quality items for less

24/7 Livechat

Get instant assistance whenever you need it

Free Shipping

Fast & reliable delivery options

Secure Payment

Multiple safe payment methods

Trifox Bike, a powerful Chinese carbon bike
manufaturer, has dedicated to building
high-quality carbon bikes. We distribute
worldwide as well as providing the best possible
online shopping experience to our customers.

NEWSLETTER SIGN UP