The Bombtrack Tension C Rival AXS is a full carbon cyclocross race bike built to be fast on mud, grass and tarmac sections, while staying tough enough for daily training. A high-modulus carbon frameset, Seido Geon i23 tubeless ready wheels and Sram Rival eTap AXS 1x12 wireless drivetrain give you a thoroughly modern, race-focused package.
- Toray T700/T800 Hi-Mod carbon frame with T47 bottom bracket shell, thru-axles and CX race geometry.
- Full carbon fork with 12 x 100 mm thru-axle and tyre clearance up to 700 x 37C.
- Sram Rival eTap AXS 1x12 wireless groupset with XPLR rear derailleur and 10–36 T cassette for racing and fast training.
- Sram Force 1 carbon crankset with 40 T chainring, delivering stiffness, low weight and race-ready gearing.
- Seido Geon i23 tubeless ready wheels with Challenge Grifo 700 x 33C tyres, ready for CX race courses.
- Ritchey cockpit (Streem III bar + Comp 4-Axis stem) for precise handling and a race-oriented position.
- Matt Black paint for a clean, aggressive and stealthy race look.
If you want a carbon cyclocross bike to race a full season, train all year round and maybe double up for fast mixed-surface rides, the Tension C Rival AXS – Matt Black is built for you.
Independent Opinions & Technical Highlights
- The Tension C Rival AXS is widely seen as a high-end full carbon cyclocross race bike, with quality components and Sram Rival hydraulic disc brakes tuned for competitive use.
- The combination of a high-modulus carbon frameset and Seido Geon i23 wheels delivers a light, responsive chassis that accelerates quickly out of corners and stays precise through technical sections.
- The Sram Rival eTap AXS groupset with XPLR rear derailleur and Sram Force 1 carbon crank is praised for its quick, wireless shifting and gearing that suits racing, training and intensive use.
- Challenge Grifo 700 x 33C tubeless ready tyres are regarded as a CX benchmark, balancing rolling speed with grip across the mixed surfaces typical of cyclocross courses.
Bombtrack Tension C Rival AXS – Size Guide
| Size | Min. rider height (cm) | Max. rider height (cm) | Notes |
| XS |
155 |
165 |
For shorter riders who prefer a compact, agile position. |
| S |
163 |
173 |
Balanced choice between comfort and a racy fit. |
| M |
171 |
181 |
Central size for race-focused riders and intensive training. |
| L |
179 |
188 |
For taller riders who want a stretched but still responsive position. |
| XL |
186 |
195 |
For very tall riders looking for maximum stability at speed. |
These height-based recommendations are general guidelines to help narrow down the options. A proper fit also depends on your inseam, torso and arm length, flexibility and riding style.
Because no two riders are exactly the same, there is no single recommendation that will work perfectly for everyone. A professional bike fit can help refine your choice and dial in your setup.
Bikejamming Size & Setup Support
Unsure between two sizes or not certain whether the Tension C Rival AXS fits your CX season plans? Email us at info@bikejamming.it and tell us how and where you ride: we’ll help you choose size, stem, bar and key adjustments based on your real-world use.
Ready to Race Cyclocross for Real?
The Bombtrack Tension C Rival AXS – Matt Black is for you if you want a carbon cyclocross bike that’s light on the shoulder, stable in the mud and ready for a full season of racing and training, with all the right parts straight out of the box.
Not sure about sizing, cockpit choices or how to tune it for your local CX courses? Get in touch at info@bikejamming.it: we can help you with tyre pressures, smart upgrades (wheels, bar, stem, tyres) and small setup details that make a big difference on race day.
Want to level up your next cyclocross season? Configure your Tension C Rival AXS – Matt Black and roll it straight to the start grid.
Technical Specifications – Bombtrack Tension C Rival AXS
| Component | Details |
| Model |
Tension C Rival AXS |
| Colour |
Matt black |
| Frame |
Toray T700/T800 Hi-Mod carbon, thru-axle, 68 mm T47 bottom bracket shell |
| Fork |
Full carbon, thru-axle, tapered 1 1/2" – 1 1/8" |
| Handlebar |
Ritchey Road Comp Streem III drop bar, 31.8 mm, 5° backsweep |
| Bar tape |
Bombtrack Command bar tape |
| Stem |
Ritchey Comp 4-Axis 44 forged aluminium stem, -6° |
| Headset |
Seido Pro IS, sealed integrated headset, 1 1/2" – 1 1/8" |
| Brake / shift levers |
Sram Rival eTap AXS double tap hydraulic |
| Shifter |
Sram Rival eTap AXS double tap 1 x 12 |
| Brakes |
Sram Rival flat mount hydraulic disc brakes |
| Rotors |
Sram Centerline 160 mm front and 140 mm rear rotor |
| Crankset |
Sram Force 1 carbon crank, DUB spindle |
| Bottom bracket |
Seido T47 external sealed BB for DUB spindle |
| Pedals |
Not included |
| Chain |
Sram Rival flattop chain, 1/2" x 11/128", 112L |
| Chainring |
Sram Force, 12-speed, 40 T |
| Cassette |
Sram XG-1250 12-speed, 10–36 T |
| Front derailleur |
- (not included) |
| Rear derailleur |
Sram Rival XPLR eTap AXS, clutch, medium cage |
| Front hub |
Seido Tau sealed hub, 6-bolt disc |
| Rear hub |
Seido Tau sealed hub, XDR driver, 6-bolt disc |
| Thru-axles |
12 x 100 mm front / 12 x 142 mm rear |
| Front rim |
Seido Geon i23 double wall asymmetric, tubeless ready, 28h |
| Rear rim |
Seido Geon i23 double wall asymmetric, tubeless ready, 28h |
| Saddle |
Seido Comp saddle |
| Seatpost |
Ritchey Comp aluminium seatpost, 27.2 mm x 300 mm |
| Seat clamp |
Bombtrack Prime 31.8 mm |
| Front tyre |
Challenge Grifo TLR, tanwall, 700C x 33C, tubeless ready |
| Rear tyre |
Challenge Grifo TLR, tanwall, 700C x 33C, tubeless ready |
| Fenders |
Not included |
| Rack |
Not included |
| Kickstand |
Not included |
| Lights |
Not included |
| Charger |
Sram EP-EAC-BC-A1 |
| Bike weight |
8.6 kg (size M) |
| Frameset weight |
1060 g frame (size S, incl. thru-axle, hanger, cable guides) / 600 g fork (300 mm steerer, incl. thru-axle) |
| Maximum rider system weight |
115 kg including luggage |
| ASTM riding condition |
2 |
| Note |
Final product may vary in appearance, finish and minor details. |
Frame Standards & Geometry
Frame & Component Standards
| Item | Details |
| BB standard |
T47 – 68 mm shell width |
| Headset standard (S.H.I.S.) |
IS42 / 28.6 | IS52 / 40 |
| Headset crown race angle |
45° |
| Fork steerer inner diameter |
23.6 mm |
| Max front tyre clearance (no fender) |
700C x 37C |
| Max rear tyre clearance (no fender) |
700C x 37C |
| Maximum chainring size 1x |
46 T with 45 mm chainline |
| Maximum chainring size 2x |
53 / 39 T with 43.5 mm chainline |
| Seatpost diameter |
27.2 mm |
| Seat clamp diameter |
31.8 mm |
| Front derailleur mount |
Bolt-on FD hanger included with frame |
| Frame front derailleur compatible |
Yes |
| Front brake mount |
Flat Mount 140 / 160 |
| Rear brake mount |
Flat Mount 140 / 160 |
| Frame thickness rear brake mount |
25 mm |
| Maximum rotor size front |
160 mm |
| Maximum rotor size rear |
160 mm |
| Front thru-axle |
12 x 100 mm, 1.5 thread pitch |
| Rear thru-axle |
12 x 142 mm, 1.5 thread pitch |
| ISO testing standard |
Road |
| Crankarm length |
XS 165 mm / S–M 172.5 mm / L–XL 175 mm |
| Q Factor |
145 mm |
| Crank BCD |
Sram direct mount |
| Chainring offset |
6 mm |
| Chainline |
45 mm |
| Front spoke length |
tba |
| Rear spoke length |
tba |
| Spoke count (front / rear) |
28 / 28 |
| ERD |
587.5 mm |
| Front hub PCD |
58 mm |
| Rear hub PCD |
58 mm |
| Front hub flange distance / offset |
56.5 mm centre to centre / 6.6 mm |
| Rear hub flange distance / offset |
51 mm centre to centre / 8.8 mm |
| Stem length |
XS 80 mm / S–M 90 mm / L–XL 100 mm |
| Stem angle |
-6° |
| Headset spacers |
1 x 10 mm, 2 x 5 mm |
| Seatpost offset |
25 mm |
| Seatpost length |
300 mm |
| Bike trailer |
Not approved |
| Seat tube mounted child seat |
Not approved |
| Derailleur hanger |
BT-DH-013 |
| Frame small parts |
BT-CR-012 |
| Front hub end caps |
BT-HC-014 |
| Rear hub end caps |
BT-HC-020 |
| Cassette body |
BT-CB-013 |
| Crankarm bolt |
- |
| Front thru-axle reference |
BT-TA-F-603 |
| Rear thru-axle reference |
BT-TA-R-603 |
Geometry (700C wheels)
| Parameter | XS | S | M | L | XL |
| Wheel size |
700C |
700C |
700C |
700C |
700C |
| Seat tube length (mm) |
490 |
520 |
540 |
560 |
580 |
| Horizontal top tube length (mm) |
521 |
535 |
545 |
560 |
575 |
| Seat tube angle |
75.0° |
74.0° |
73.5° |
73.0° |
73.0° |
| Head tube angle |
71.0° |
71.5° |
72.0° |
72.0° |
72.0° |
| Head tube length (mm) |
110 |
123 |
140 |
160 |
180 |
| BB drop (mm) |
64 |
64 |
64 |
64 |
64 |
| Chainstay length (mm) |
425 |
425 |
425 |
425 |
425 |
| Fork offset (mm) |
45 |
45 |
45 |
45 |
45 |
| Trail (mm) |
73 |
70 |
66 |
66 |
66 |
| Wheelbase (mm) |
1007 |
1007 |
1008 |
1018 |
1033 |
| Standover (mm) |
761 |
785 |
800 |
818 |
837 |
| Reach (mm) |
378 |
376 |
378 |
382 |
391 |
| Stack (mm) |
533 |
553 |
565 |
584 |
603 |
| Front centre (mm) |
591 |
591 |
591 |
601 |
616 |
| Axle-to-crown (fork) (mm) |
400 |
400 |
400 |
400 |
400 |
| Minimum rider height (cm) |
155 |
163 |
171 |
179 |
186 |
| Maximum rider height (cm) |
165 |
173 |
181 |
188 |
195 |
¹ Size recommendations based on rider height are general guidelines and should not replace a professional bike fit.
² Values refer to the standard factory build.
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