XDS Boss 4.0 Hardtail MTB




Take charge of all trails with the XDS Boss 4.0.

Tackle the terrain with serious suspension to absorb the bumps, whilst relying on the 8 Speed Shimano Drivetrain over any incline. The lightweight X6 Alloy Frame will increase your handling, while hydraulic disc brakes provide superior control.
Revolutionary X6 Ultralight Aluminium Frame
Experience a revolution in lightweight and durable alloy with the unique XDS engineered X6 Ultralight Aluminium Frame. The X6 is a top-tier hydroformed aluminium frame using the composition of the stiffest aluminium to bring you the lightest, highest quality and top-tier reliability. Co-developed with Central South University Aluminium Research Institute for engineering excellence.


border-collapse: collapse;
padding: 10px;
tr:nth-child(even){background-color: #fff;
tr:nth-child(odd){background-color: #ddd;

Frame Size: 27.5×13″/27.5×15″/29×17″/29×19″/29×21″
Tyre: MTB 27.5 x 2.10, 29 x 2.10 30TPI
Rim: XDS XV21 32H Alloy
Front Hub: Alloy 32H Quick Release Disc
Rear Hub: Alloy 32H Quick Release, Disc, Freehub
Spoke: 14G Steel with brass nipples
Crank set: Prowheel 22/36T steel rings with Alloy 170mm Cranks
Chain: KMC Z8.1 8sp
BB set: FP-B902 BC1.37?×24T L:122.5mm
Headsets: Alloy integrated
Pedal: MTB Plastic with bearings
Front Derailleur: S-Ride FD-M300
Rear Derailleur: S-Ride RD-M210 8sp
Shifter: S-Ride SL-M300 Left 2sp
Shifter Right: S-Ride SL-M300 Right 8sp
Cassette : Sujie CS-M3008 8sp 11-32T
Brakes: Tektro M275 Hydraulic disc with 160mm rotor
Handlebar: XDS Alloy 31.8 640mm wide
Stem: XDS Alloy 70mm
Grip: MTB Rubber
Bell: Alloy flick
Saddle: MTB Saddle
Seat Post: XDS Alloy 27.2 x 350mm with clamp
Seat Clamp: Alloy 31.8mm with Quick Release
Frame: XDS X6 6061 Alloy
Suspension Fork: Uding D3 100mm Travel

*All specifications listed are subject to change without notice.* Accessories sold separately* Bike may differ slightly from photos


subscribe to our newsletter to get latest news about our products, events and sales


    Racers Edge is an iconic Wanaka sports shop, selling and renting premium cycling and snow gear. Rent your Winter ski gear from Racers Edge in Wanaka, or come into the store to browse our wide selection.



    • 99 Ardmore Street, Wanaka, New Zealand
    •  03 443 7882



    Mon - Sat: 09:00 am - 18:00 pm
    Sun: 10:00 am - 17:00 pm


    Mon - Sat: 09:00 am - 18:00 pm
    Sun: 10:00 am - 16:00 pm


    SHOP: Mon - Sun: 07:30 - 19:30
    BIKE: Mon -  Sat: 09:00 -  17:30
    BIKE: Sun: 10:00 - 16:00

    Web Design by Phancybox