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new MACH Evo Power full-carbon frame

Reference : 8311471

Mach 720 Carbon Road Bike - 105

The b'Twin Mach 720 Carbon Road Bike has a SHIMANO 105 11s compact groupset. The Evo power frame is ESR ready. The b'Twin wheelset adds extra zip to this already rapid bike. A great value for money and highly upgradeable road racing bike with carbon frame and full carbon forks.

This frame is used by the B'TWIN U19 Road Racing Team.

Cycling Active Group Test Winner (June 2015) "for the money, it’s the only bike that really achieves the title of ‘fast sportive bike’. It’s excellent."
Road Bike Size Guide click here

To view our full range visit our Road Bikes category.

Unfortunately, this product is no longer available



The fruit of its experience of creating ever more efficient bikes, MACH is the latest competition bike. Made from Evo Power carbon fibre, it is designed for pure performance, conserving the necessary comfort on the load-bearing upper structure, and with its frontal rigidity lowered by 10% compared to the FACET ESR frame, improving comfort on long rides. The dropouts are made from carbon and the frame's weight in size 55 is 1150 grams.

Fork / Suspension

The fork has been designed to accommodate the power of a pro sprinter and the precision of a downhill rider. It has a conical pivot (1"1/8 at the top, 1"1/2 at the bottom), 57 mm wide blades at the bottom of the pivot to give it unrivalled rigidity, and carbon fork dropouts. The frontal rigidity has been lowered by 10% to make long rides more comfortable. Weighs 320 g in size 57

Drive train

Shimano 105, 11 manual speeds,

The 105 offers the same precision indexing as the Dura-Ace and Ultegra groupsets.

The derailleurs feature an all-new design. The front derailleur has a guide combined with a new spring mechanism that ensures smooth shifting between chainrings.
The rear derailleur now sports the same tried-and-tested mechanism found on the Dura-Ace groupset. (32-tooth cassette max. for high mountain riding).


BTWIN competition-grade, double-pivot callipers for greater braking precision.

Crankset / Cassette

Shimano compact crankset: 52 X 36

Shimano 105 SS front derailleur

Shimano 105 SS (32-tooth max) rear derailleur

Shimano 105 11-speed cassette: 11 X 28

11 / 12 / 13 / 14 / 15 / 17 / 19 / 21 / 23 / 25 / 28

Handlebar / stem / steering

The compact Btwin handlebar is suited to the bike's size. It is made of 6061-T6 aluminium and its compact shape is now common in the peloton, allowing you to place your hands at the bottom of the handlebar without any discomfort. The handlebar weighs 320 g in size 420 mm. The Btwin Facet stem, made from 6061-T6 aluminium, is also suited to the bike's size, weighing 140 g in size 110 mm. The steering uses longlife, sealed bearings


The BTWIN AERO 20/24 wheels borrow their architecture from the best product on the market, a versatile 24 mm high rim profile; with 20 aero spokes, it boasts a riding weight of 1760 grams per pair, providing considerable accelerating power. The radial spoke pattern allows greater tension that increases lateral rigidity. These hubs are mounted on exceptionally fluid cartridge bearings.


Hutchinson Equinox — an excellent tyre for fast-paced training rides. Weighing 290 g, it is equipped with steel beads, bi-material rubber, and a tread that is harder than the sidewalls mounted on a 66TPI body.

Saddle / seat post

BTWIN Comp saddle, chosen for its versatility. Weighs 320 g. The seat post is short since the frame is made with an extended tube. The head and seat post are made from aluminium, weighing 200 g


BTWIN Comp: this clipless pedal bike weighs 230 grams making it one of the lightest on the market. Wide body for more efficient transmission of the pedalling force
No-maintenance sealed cartridge bearings. Its shape allows the cleats to be easily adjusted. Cleat tension adjustment depending on use: hard for powerful riders or soft for beginners. Weight: 230 g per pair, comes with cleats

Accessories / equipment



8.300 kg in size 55, without pedals

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Care instructions: Do not wash the bike with a high-pressure water jet. Clean and re-oil the drive train regularly to prolong its lifespan (Btwin All In One care product on sale exclusively in Decathlon stores)
Stock advice Store your bike in a cool, dry place


Approved by our technical partners: U-19 Racing Team
Guarantee : 5 years for the frame and 2 years on parts



Mach 720 Carbon Road Bike - 105
Maintenance and repair
Maintenance and repair
Spare parts