ProX Full Suspension Carbon Frame 29er XC Frame Cross Country MTB Frame

Full suspension 29er XC bike frame

Hidden internal cable routing

Fit 165x40mm rear shock (trunnion mount)

12*148mm boost thru-axle

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  • Color:

    UD black(or Customized Decal/Painting)

ProX Full Suspension Carbon Frame for Cross Country Riding 

Cross country is one of the most exciting disciplines in MTB biking. The best XC bike combines everything we love about mountain biking-fast riding, uphill and downhill. XC bike is now lighter, faster and more capable than ever.

Our carbon full suspension frame PXFS918 is currently available in three sizes (Small/Medium/Large), and is compatible for both 27.5 inch and 29 inch bike wheels. 
The default finish of carbon frame we make is UD matte or Glossy. In addition, customized logo and color painting is acceptable. So you can get this bike frame as what you like!
What is in your parcel? It includes frame, seat clamp, rear thru-axle, headset(optional) and spare rear derailleur(optional).
If you are thinking about buying a cross-country bike frame, then read on, it won't let you down.

Suitable Rear Shock Size

Rear Shock Size

The rear shock size is 165x40mm(trunnion mount only).
Thanks to the installation position of rear shock on the frame, there is enough rooms to accept the rear shock with piggy back design and coil design.
The rear shock is efficient to steer the bike with confidence to challenge cross country rugged mountain terrain. It also help to absorb the small and large hits with ease, and provides relatively consistent and stable support through the entire adventure.
Compatible Fork for xc full suspension frame PXFS918

Compatible Fork

For the PXFS918 bike frame, it's compatible for tapered fork, upper diameter 1 1/8"(28.6mm) - lower diameter 1 1/2"(39.8mm).
The full suspension fork with 51mm fork rake/offset and boost size(15*110mm thru axle) is recommended. 

Linkage-driven Single Pivot Suspension System

Linkage-driven Single Pivot Suspension System 

Such single pivot suspension system uses an uninterrupted swingarm which connects rear axle directly to the main body of frame. There is no pivot on swingarm, so there is no pivot loosen or noise issue, and the maintenance is simpler. In addition, the stiffness, stability and controllability are greatly improved.

The seat stay shaved off at the position in the middle, which helps to reduce vibration and result in better comfortability. 

bearing size for carbon full suspension frame PXFS918


For this carbon bicycle frameset, high quality bearings are used to optimize the suspension system performance. High end bearings endow our mtb carbon frames better performance and durability. 

Max Torque for PXFS918 Frame Bolts

Max Torque for Frame Bolts

While under some types of load, the carbon fiber is significantly stronger than aluminum, steel or titanium. But in order to prevent any unexpected failure, carbon fiber frame still should be tightened according to the recommended specifications.
The max torque for these bolts are as listed in the picture.

Full Internal Cable Routing Design

Full Internal Cable Routing Design

There is no doubt that full internal cable routing looks rather pretty. This carbon XC MTB bike 29er frame is with internal cable routing design. Hidden internal cables goes into head tube directly. Perfect combination of professional geometry and full internal cable routing design. This design looks really nice and clean after whole bike assembled. 

A-Rear brake control routing
B-Dropper post remote routing
C-Rear derailleur cable routing
D-Rear shock remote routing

carbon bike frame designed for UDH

Universal Derailleur Hanger

The UDH(Universal Derailleur Hanger) creates a single hanger design that works on any bike for any derailleur generally and is primarily aimed at mountain bikes for now. It’ll also ensure perfect alignment during installation, so gear set up and shifting should be easier and crisper. What's more, if the chain jams, the hanger pivots backwards protecting the mech from being damaged. Besides, if you ever need replacement, it can be easily got since it is standard. From now on, say goodbye to the long lead time for the customized replacement hanger. 

Latex 3D Mandrel

Latex 3D Mandrel Technology

Use newest one-piece latex 3D mandrel and moulding technology.

Such technology helps to optimize the orthodromic and strength of carbon fiber, and avoid wrinkle inside (wrinkle is a key factor that may cause crack).
Even using same material, the strength is improved 30%. 

Chainstay Protector

Chainstay Protector

Chains hit the chainstay all the time. Every bounce bump or jump on your bike will lead to a chain slap on the chainstay. By using this high quality cushioning chainstay protector, it minimizes the rattling sound coming from your bike and softly protecting the chain and the bike. Being fast bike and quiet bike as well.
27g per chainstay protector sheet and it will come with your frame.

PXFS918 Old version (size S) vs New version (size M/L)

PXFS918 full suspension xc frame

If you are also interested in the other carbon bike accessories, please click more them as below or contact us for more details. 

carbon MTB wheels

XC integrated MTB handlebar 


ProX New 29er Cross Country XC Mountain Bike Carbon frame PXFS918

 Frame:  New 29er cross country mountain bike frame
 Material:  High modulus Toray T700+T800+T1000 carbon fiber
 Size:  15'', 17'', 19'' (Small, Medium, Large)
 Front Travel:  100~120mm
 Rear Travel:  110mm
 Headtube:  Straight 1 1/2" head tube
 Weight(+/-50g):  1910g/size 15'', 1950g/size 17'', 2000g/size 19''
 Seatpost Diameter:  31.6mm(34.9 clamp)- droper seat post insert length, 17''-200mm19''--220mm
 Bottom Bracket:  BSA 73(BC1.37*24T)
 Max Tire Clearance:  29er*2.35'' or 27.5er*2.6''
 Max Compatible Chainring:  36T(30T/32T/34T/36T)
 Chainline:  52mm
 Brake Type:  Post Mount Disc brake 160mm
 Rear Shock:  Mount 165*40mm (compatible with trunnion mount ONLY)-up M10*54 mm and down M8*40mm bushing kits
 Dropout:  12*148mm boost thru axle
 Test Standard:  ISO4210
 Warranty:  2 years




carbon frame full suspension geometry

200mm 220mm
REACH 410mm

435mm 460mm

598.8mm 625.2mm
STACK 597mm

597mm 606mm

1160mm 1188.9mm

438mm 438mm

723mm 751.5mm
BB DROP 38mm

38mm 38mm
BB HEIGHT 334.5mm

334.5mm 334.5mm

74.75° 74.75°

67.5° 67.5°

432mm 470mm

105mm 115mm
BIKE STANDOVER HEIGH(29“*2.35”) 744.5mm

744.5mm 746.5mm

51mm 51mm

520mm 520mm
TRAIL 113.7mm

113.7mm 113.7mm

Suspension System Simulation Data

Suspension System Simulation Data bike frame
carbon bike Suspension System Simulation Data

If you'd like high resolution pictures of suspension data, welcome to contact us. 

Vibration Test

Vibration Test XC carbon bike frame

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