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Bolted On. Never Twists. No Numb Fingers.

Cosari TrailLock Pro

Two CNC-machined aluminum collars lock each grip to your bar at both ends, while a 32mm palm swell and damping.

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  • Dual CNC Lock-On Collars
  • 32mm Anti-Numbness Palm Swell
  • Tacky Gecko Kraton Tread
  • 3-Minute 3mm Hex Install
Cosari TrailLock Pro
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24-Hour Supportfast, helpful customer care

Built to Stay Put on Your Worst Descent

Every part of the TrailLock Pro targets the two reasons riders replace grips: hands going numb and grips spinning when wet.

Dual 6061 CNC Collars

Machined aluminum clamps lock both ends of each grip. In our wet 45 Nm twist test, they moved zero millimeters.

32mm Ergonomic Palm Swell

A wider contour supports the outer edge of your palm, taking pressure off the ulnar nerve that causes pinky and ring-finger numbness.

Gecko-Pattern Kraton Tread

45A Shore rubber with directional micro-tread holds your fingers in rain and sweat, gloved or bare-handed, without feeling gummy.

Sealed Bar-End Protection

The outer metal collar and flush weather-sealed plug take rock scrapes and keep mud out of your bar tip.

How the TrailLock Pro Works

Locks at Both Ends

Locks at Both Ends

Two 6061-T6 aluminum collars clamp a rigid inner core to your 22.2mm bar with stainless 3mm bolts. Water and sweat can't make it rotate.

Spreads Palm Pressure

Spreads Palm Pressure

The 32mm swell fills the outer edge of your hand, so weight spreads over a wider area instead of pinching the nerve that numbs your fingers.

Shields the Bar End

Shields the Bar End

When the bike goes down, the outer aluminum collar and sealed plug take the hit, protecting the rubber, the bar tip, and your brake lever.

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Excellent4.8 (247)Trustpilot

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Cosari TrailLock Pro

Dual CNC Lock-On Mountain Bike Grips with 32mm Anti-Numbness Palm Swell

Backed by our 30-Day Money-Back Trial & Full 2-Year Cosari Warranty.

$24.99 $49.99 Free Tracked Shipping Included

In Stock: Ships in 1–2 Days. Free insured delivery with tracking.

30-Day Money-Back Guarantee plus a full 2-Year Warranty.

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Description

Description: The Cosari TrailLock Pro is a dual lock-on mountain bike grip with CNC-machined 6061-T6 aluminum collars at both ends, a 32mm ergonomic palm swell, and vibration-damping 45A Kraton rubber with a gecko-pattern tread. It's built for trail riders, e-MTB owners, and commuters who want grips that never twist and hands that don't go numb.

Shipping & Returns: Free tracked shipping on every order. Ride them on your roughest trail for 30 days. If your hands still go numb or a collar slips, send them back, even dirty, for a full refund.

Warranty: Each pair is covered by a 2-year no-slip collar warranty against defects in the collars, bolts, and inner core under normal riding use.

Shipping & 30-Day Returns

Free Shipping: Every order ships free with full tracking within 24 hours.

30-Day Trial: Try it at home for 30 days risk-free. Need help? Email us anytime at support@buycosari.com.

2-Year Warranty: If anything goes wrong within 2 years, we replace it free of charge or refund your order in full.

Why Choose the Cosari TrailLock Pro?

Cosari TrailLock Pro Detail

Damps Trail Chatter

Thick 45A Kraton rubber absorbs the high-frequency buzz from roots and brake bumps that causes arm pump and tingling fingers.

Installs in 180 Seconds

Slide on, rotate the palm swell to your wrist angle, and tighten four bolts with a 3mm key. Removal takes the same tool.

Grips in Mud and Rain

The gecko micro-tread drains water and holds your fingers on wet descents, with or without gloves.

Cosari TrailLock Pro vs. Ordinary Alternatives

Cosari TrailLock ProStandard Competitors

FeatureCosari TrailLock ProStandard Competitors
Holds position when wetDual bolted collars, zero slipSlip-ons rotate once wet
Finger numbness on rough trails32mm palm swell spreads pressureSkinny 29mm tubes pinch nerves
Installation3 minutes, one Allen keyHairspray, air, or glue
Crash protection at bar endAluminum collar + sealed plugBare rubber or plastic caps
Clamp hardware6061-T6 alloy, stainless boltsCast zinc that strips
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What's Included

In the Box
  • 1 × Pair of Cosari TrailLock Pro Grips (Left & Right)
  • 1 × Set of 4 Pre-Installed CNC 6061-T6 Aluminum Lock Collars
  • 1 × Set of 4 Stainless Steel 3mm Hex Clamp Bolts
  • 1 × Pair of Weather-Sealed Bar-End Plugs (Pre-Installed)
Technical Specifications
  • Handlebar Fit: 22.2mm standard bars (MTB, e-MTB, BMX, flat-bar)
  • Grip Length: 132mm
  • Palm Swell Diameter: 32mm
  • Collars: Dual CNC-machined 6061-T6 aluminum, black anodized
  • Bolts: 3mm stainless steel hex, 3.5 Nm max torque
  • Rubber: 45A Shore Kraton elastomer, gecko-pattern tread
  • Pair Weight: 118g
  • Bar Ends: Removable weather-sealed plugs
Care & Safety
  • Rinse with water and mild soap after muddy rides and let air dry. Avoid solvents, degreasers, or chain lube on the rubber.
  • Check the collar bolts every few rides and re-tighten to 3.5 Nm if needed. Use a torque wrench on carbon handlebars.
  • Backed by our 30-Day Money-Back Guarantee & 2-Year Warranty
  • Customer Support: support@buycosari.com
In the Box Cosari TrailLock Pro

Fitted in 3 Steps, About 3 Minutes

Swipe left for steps 2 and 3

  1. Slide On
    1

    Slide On

    Remove your old grips and slide the TrailLock Pro onto the bare 22.2mm bar. No glue, hairspray, or air needed.

  2. Align & Tighten
    2

    Align & Tighten

    Rotate the palm swell to match your wrist angle, then tighten the inner and outer collar bolts with a 3mm Allen key.

  3. Ride
    3

    Ride

    Hit your roughest trail. The grips stay locked in place and your fingers stay light on the brakes.

Verified Customer Reviews

What 200+ Verified Buyers Say About the Cosari TrailLock Pro

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Based on 247 verified reviews
5 Stars
212
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97% of buyers recommend the Cosari TrailLock Pro
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✓ Verified Purchase
Marcus T.3 days ago

3 minutes with a 3mm Allen key and my finger numbness is gone

Still blows my mind that $2,800 trail bikes ship with cheap slip-on rubber grips that spin like a motorcycle throttle the second creek water gets underneath. Sliced my factory grips off in the garage, slid the TrailLock Pros on, dialed the 32mm palm swell right into the heel of my hand, and torqued the four bolts. Took under 3 minutes—no hairspray, no air compressor. Did two hours on chunky limestone ledges yesterday and my pinky and ring fingers never went numb once.

Verified Purchase · Bentonville, AR · Cosari TrailLock Pro

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Devon K.5 days ago

Real machined aluminum collars and stainless bolts that don't strip

I've ripped the outer ends off two pairs of $40 single-clamp grips just leaning my bike against rocks, and cheap online lock-ons always strip the hex heads before they even clamp tight. Put these on my workbench first to check the hardware—clean CNC-machined collars on BOTH ends, crisp stainless 3mm bolts, and sealed end plugs. Once bolted up, they feel welded to the bar, and the gecko Kraton rubber stays super tacky in Pacific Northwest rain.

Verified Purchase · Bellingham, WA · Cosari TrailLock Pro

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ryan_m_mtb1 week ago

Fixed my ulnar nerve pinch on the very first ride

My outside two fingers used to go completely dead 30 minutes into any rocky descent. I didn't want giant paddle wings that block you from shifting your weight back on steep chutes, and the subtle 32mm swell on the TrailLock Pro hits the exact sweet spot. You can rotate the profile to match your wrist angle before tightening the collars, so my hands stay relaxed and light on the brake levers.

Verified Purchase · Moab, UT · Cosari TrailLock Pro

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Chris H.1 week ago

Zero throttle-spin in pouring rain

Got caught in an absolute downpour halfway up Avery Creek. My old grips would eventually get water under the core and twist right on a root drop. With dual aluminum clamps locking both ends of the sleeve, these didn't budge a millimeter. The gecko tread held my wet gloves locked in without chewing up my bare palms when riding around the neighborhood with my kids.

Verified Purchase · pisgah / Brevard, NC · Cosari TrailLock Pro

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Greg S.2 weeks ago

No more forearm pump on bike park brake bumps

On washboard braking bumps, skinny 29mm stock grips force me to death-grip the bars and my forearms usually pump up by run three. Stepping up to this 32mm Kraton compound damps out so much high-frequency trail chatter. Easily the highest ROI cockpit upgrade I've bolted onto my enduro rig.

Verified Purchase · Golden, CO · Cosari TrailLock Pro

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Elena R.2 weeks ago

Outer metal collar saved my carbon bar in a washout

Washed the front wheel out on loose gravel over hardpack last Sunday. Instead of tearing open rubber and grinding my handlebar tip into sandstone, the outer CNC aluminum collar and sealed plug took the entire scrape and kept dirt out of my bar. Scuffed the anodizing slightly and rode right out.

Verified Purchase · Sedona, AZ · Cosari TrailLock Pro

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Nate W.2 weeks ago

Rock solid lockup—just wish there were more anodized collar colors

Performance is an easy 10/10. Zero rotational play, awesome vibration damping, and the stainless 3mm bolts torque down cleanly without rounding out. Knocking half a star only because I'd love orange anodized collars to match my hubs, though the stealth black looks super clean on my cockpit.

Verified Purchase · Marquette, MI · Cosari TrailLock Pro

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Tom B.3 weeks ago

Ordered two more pairs for my hardtail and my wife's e-bike

Bought one pair during the 50% off promo for my full-suspension trail bike just to test them against my $42 name-brand grips. Ended up liking the palm support and dual-clamp security better on the Cosari, so I immediately grabbed two more sets for my hardtail and my wife's e-MTB. Swapped both bikes in ten minutes flat.

Verified Purchase · St. George, UT · Cosari TrailLock Pro

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Dan P.3 weeks ago

Soft enough for gloveless rides, grippy enough for sweat

A lot of rubber compounds are either hard plastic that beats up your hands or gummy foam that chunks apart in a month. This Kraton gecko pattern feels supportive underneath with a tacky top layer that doesn't get slick when your hands sweat in Tennessee humidity. Three weeks of hard riding and zero wear showing.

Verified Purchase · Knoxville, TN · Cosari TrailLock Pro

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Kevin L.1 month ago

Dialing the wrist angle takes 10 seconds on the trail

Brought a multi-tool on my first shakeout ride, backed the bolts off half a turn at the trailhead, rolled the palm swell forward maybe five degrees, and locked them back down. Having independent metal clamps on both ends makes fine-tuning effortless and completely eliminates core flex.

Verified Purchase · Bend, OR · Cosari TrailLock Pro

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Frequently Asked Questions

Will the Cosari TrailLock Pro fit my handlebars?

Yes, if your bar is the standard 22.2mm diameter, which covers nearly all mountain bikes, e-MTBs, BMX bikes, and flat-bar commuters and gravel bikes.

Can I use these on carbon handlebars?

Yes. The composite inner core spreads clamping force evenly under the aluminum collars. Tighten the bolts to 3.5 Nm, ideally with a torque wrench.

What tools do I need to install them?

Just a standard 3mm Allen key. No glue, hairspray, rubbing alcohol, or air compressor. Most riders finish in about three minutes.

Do they feel sticky or gummy without gloves?

No. The 45A Kraton compound gets its grip from the gecko-pattern tread texture, not chemical tackiness, and it showed no gummy residue after two weeks in the sun.

Can I run bar-end mirrors or accessories?

Yes. The sealed bar-end plugs are removable, so you can swap in a bar-end mirror or other accessory.

How big are the grips?

Each grip is 132mm long with a 32mm ergonomic palm swell. A pair weighs 118 grams including collars, bolts, and plugs.

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