Name: G27
Brand: ENVE Composites
SKU: 100-3312-060
Price: 1147.5 USD
Availability: InStock

$1,147.50

The 650B gravel specialist that’s made for multi-day bikepacking routes, singletrack adventures, and everything in between.

In stock, ready to ship
Inventory on the way

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Intended Use: Gravel
Inner rim width: 27mm
Recommended Tire Size: 42mm-55mm
Tubeless Optimized; Tube Compatible
Starting at $2,550

THE WIDEST (AND LIGHTEST) GRAVEL WHEEL

The G27 is the widest, and also the lightest, road/gravel wheel we make. At 320g per rim, built wheelsets can be as low as 1257 grams. Paired with a generous 27mm width, these lightweights can be paired with wider tires to create a wheel system that’s equal or lighter in weight to other wheels, while being stronger, quicker and more capable.

GET LOW

Designed to be run with tires between 42c and 2.25”, in pressures as low as 20 PSI, the G27 was made to run low. Low pressures means fewer flats, more control, and surprising to some, lower rolling resistance.

ANTI-FLAT TECHNOLOGY

ENVE’s Wide Hookless Bead technology makes the G27 extremely resistant to pinch flats. When the tire is bottomed out against the rim in a hard impact, the force is spread over a wider area, decreasing the likelihood of a flat. This contributes to the G27’s prowess as an off road weapon.

Hub Offering	ENVE INNERDRIVE™ Premium Straight-Pull
Spacing	Front: 12x100 \| Rear: 12x142
Wheelsize	650b
Brake Type	Disc Brake Centerlock (lockrings not included)

	FRONT	REAR
Rim Depth	25mm	25mm
External Width	35.5mm	35.5mm
Internal Width	27mm	27mm
Hole Count	24	24
Effective Rim Diameter	571mm	571mm
Accepted Tire Sizes	42c - 2.25"	42c - 2.25"

	FRONT	REAR	WHEELSET
Rim Weight	320g	320g	640g
ENVE Alloy	575g	699g	1275g
i9 Torch Road CL	558g	698g	1257g
Chris King R45 CL	587g	703g	1289g

G27 650B Spoke Chart

The G27 is the ultimate gravel component, capable of transforming any drop bar bike into an off-road capable rig.

When 650B wheels are paired with larger volume tires, the actual diameter of the outside of the tire is close to a 700c wheel with a smaller tire. This means frame geometry stays consistent between wheel sizes, but the 650B wheel adds with more tire and therefore lower tire pressures. This makes a drop-bar 700c bike more confidence-inspiring over rough terrain.

"THE FIRE-ROAD DESCENT IS WHERE WE FELT THE G27’S UNIQUE DESIGN COME INTO PLAY THE MOST… THEY GOBBLED UP THE ROOTS AND SPIT OUT THE ROCKS."

– ROAD BIKE ACTION

Innerdrive Premium Road Hub

Featured in all SES and G Series wheels is the ENVE Premium Straight Pull hub, an all-new, 100% ENVE drive mechanism. Oversized steel ratchets are positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement. Key benefits of the INNERDRIVE™ Premium hub include:

Weight Savings: The new ENVE INNERDRIVE™ Premium straight pull hub offering delivers 60 grams of weight savings over ENVE’s previous generation hub offering.
Four Engagement Options: Interchangeable ratchets allow riders to tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability, we have a solution. Ratchet options include: 40 tooth, 60t, 80t, 100t.
Consistent Spoke Lengths: The all-new straight-pull hubshell allows for the use of a single spoke length for any given rim diameter, creating an easy user experience for service and maintenance.
Anti-twist Spoke Hole: To further improve the quality of the wheel build, spoke tension consistency, and to prevent spoke damage during wheel build, an anti-twist feature has been included to prevent the spoke from twisting during wheel build or while riding.
Silent Spoke Crossings: The straight-pull hubshell puts space between each spoke ensuring that your ENVE wheelset cannot experience spoke creak.

Learn More

WIDE HOOKLESS BEADS

As carbon rims have become hookless and increasingly more durable, we have transitioned from rim failures to tire failures. Wearing a tire tread down to the casing is a thing of the past as most tires are lucky if they survive 50 miles of aggressive riding over obstacle laden terrain. While destroying an expensive tire on a weekly basis isn’t affordable, it’s a complete interruption of flow, and an utter buzzkill with a flat tire, regulated to the side of the trail.

ENVE’s wide hookless bead is the result of 2 years of carbon mountain bike rim development to address this above scenario. The result is a rim shape that features a wider leading edge of the hookless bead. This broad surface creates a more forgiving platform on which the tire can bottom out, and proves extremely effective in reducing the likelihood of “pinch” or “snake-bite” style flat.

In addition to greatly improving tire performance and reliability, the wide hookless bead design beefs up the leading edge of the rim and allows for greater impact resistance.

ENVE Wide Hookless Bead (Patent Pending) delivers:

60% improvement in pinch flat resistance over other hookless rims
Ability to run lower tire pressure and improve traction and rolling resistance
The option to run lighter weight tires if desired
A more forgiving buffer between rim and trail
Greater impact resistance

MOUNTAIN STRONG, ROAD FAST

ENVE’s patented Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel. Visit Why ENVE for more details.

At ENVE, product strength and durability are always top design priorities. Here’s a glimpse into the G Series toughness and the standard by which all other gravel wheels will be judged.

G SERIES IMPACT STRENGTH COMPARISON

Tested to ENVE mountain impact standard
Rated for unsuspended to lightly suspended bikes under the assumptions that technical terrain and obstacles are negotiated at lower speeds than mountain bike
Mountain strong, but not ENVE mountain strong.
While these wheels are stronger than many mountain bike wheels in the market, they rate just below the elevated impact strength of our new M Series

HIGH VOLUME

G27 = 650b x 27mm Internal Rim Width x 42c – 2.25” tires

Riders on rough and loose terrain, who primarily ride dirt, often find more confidence and control from a larger volume tire. Those who prioritize traction and stable control over flat out speed will appreciate the G27.

APPLICATION SPECIFIC DESIGN & SHAPE

We demand lightweight for big elevation and long days in the saddle. We dream of floating up climbs, over obstacles and away from the pack. The G Series are the lightest tubeless rims we have ever produced.

The “bell” like shape of the G23 and G27 rim models is a lighter weight execution of our wide hookless bead and creates a rim section extremely capable of energy absorption and damping.