Bicycle Grips & Bar Tape Standards: Sizes, Lock-On vs Slide-On, and Fit Explained
Grips are the rubber, foam, or silicone sleeves you hold on a flat handlebar; on drop bars the same job is done by wrapped bar tape. Grip fit is one of the simplest areas of a bike because nearly every flat bar uses the same 22.2 mm diameter where the grip sits. What varies is how the grip attaches (lock-on vs slide-on), its length, its outer thickness, and its shape.
Why these standards exist
The grip area of a flat handlebar is one of the very few truly universal standards in cycling: it is 22.2 mm (7/8 inch) in outer diameter on virtually every mountain, commuter, hybrid, BMX, and flat-bar e-bike ever made. This size was inherited from early steel bars and never changed, because brake levers, shifters, and grips from every brand are all made to clamp or slide onto it. That means almost any flat-bar grip fits almost any flat-bar bike.
Even so, grips still differ in ways that affect fit and comfort: attachment method (a friction-fit sleeve vs a collar that bolts on), length (a twist shifter needs a much shorter grip), outer diameter (how thick it feels in your hand), and shape (round vs ergonomic wing). Drop-bar road and gravel bikes use a slightly fatter 23.8 mm bar in the hand area and take wrapped tape instead of grips, so grips and tape are not interchangeable between flat and drop bars.
Modern standards
What you’ll find on bikes from roughly 2018 onward. Grips are the rare fully-stable interface: the 22.2 mm bore fits every flat bar ever made, and lock-ons have been the enthusiast default since the 2000s.
22.2 mm flat-bar grip area
1900s-presentAlso called: 7/8 inch, standard MTB grip diameter
Bar outer diameter 22.2 mm at the grip area; grip bore 22.2 mm
Virtually every flat, riser, cruiser, and BMX handlebar measures 22.2 mm (7/8 inch) where the grips, brake levers, and shifters sit, regardless of what diameter the bar is at the stem clamp (25.4, 31.8, or 35 mm). Any flat-bar grip therefore fits any flat-bar bike.
Why it exists: The size comes from 7/8-inch steel tubing used on early bicycles and motorcycles. Because every control lever ever made clamps to this diameter, no manufacturer has ever had an incentive to change it, making it one of the rare universal standards in cycling.
Typically found on: All mountain, hybrid, commuter, BMX, and flat-bar e-bikes
Lock-on grip system
mid-1990s-presentAlso called: ODI Lock-On, bolt-on grips, clamp-on grips
22.2 mm bore; aluminum lock rings clamped with 2.5-4 mm hex bolts; typical lengths 130-135 mm
A lock-on grip has a rigid plastic sleeve molded inside the rubber, with one or two aluminum collars that bolt onto the bar. The grip cannot twist or slide even in the rain, and it removes and reinstalls in seconds with a small hex key. ODI pioneered the design in the 1990s and its lock-ring pattern became the de facto industry standard, so many brands sell grips compatible with ODI-style rings.
Why it exists: Traditional friction grips could rotate on the bar when wet, a genuine safety problem for mountain biking. Bolting the grip to the bar solved slippage and made grip swaps tool-simple, at a small weight and cushioning cost from the internal sleeve.
Typically found on: Most modern mountain bikes and many e-bikes; standard OEM spec since the 2000s
Slide-on (push-on) grips
1900s-presentAlso called: slip-on grips, friction grips, silicone/foam grips
22.2 mm bore (stretch fit); outer diameters roughly 30-34 mm; e.g. ESI Chunky 32 mm, Extra Chunky 34 mm
The original grip design: a one-piece rubber, foam, or silicone sleeve stretched over the bar and held by friction. Installed with rubbing alcohol as a temporary lubricant (it evaporates, leaving the grip locked in place). Lighter than lock-ons and with more cushioning material against the bar, but harder to remove and reposition.
Why it exists: Simplicity: a molded sleeve needs no hardware. Modern silicone versions (ESI and similar) revived the style for weight-conscious cross-country and gravel riders who value vibration damping over easy removal.
Typically found on: Older mountain bikes, kids' bikes, cruisers, commuters, and modern silicone-grip XC/gravel builds
Twist-shifter short grips
late 1980s-presentAlso called: Grip Shift grips, half grips, shorty grips
About 90-100 mm long (vs 130-140 mm standard); 22.2 mm bore
Twist shifters such as SRAM Grip Shift and Shimano Revoshift rotate a collar that sits where the inner half of a normal grip would be, so they pair with a purpose-made short grip on the remaining bar space. Fitting a full-length grip alongside a twist shifter is not possible without cutting it down.
Why it exists: Twist shifting (popularized by SRAM in the late 1980s) needed roughly 40 mm of the grip zone for the rotating collar, so grip makers standardized shortened versions to fill the rest of the bar.
Typically found on: Hybrids, entry-level mountain bikes, kids' bikes, and many commuter e-bikes with Revoshift or Grip Shift
Ergonomic wing grips
2000s-presentAlso called: Ergon-style grips, comfort grips, GP series
22.2 mm bore; wing platform widens the grip top; sized S/L by hand size; lock-on clamp attachment
Grips with a flat wing extending rearward that supports the heel of your palm and spreads pressure across the hand, reducing numbness from compressed nerves. Ergon's GP1 popularized the shape; versions exist with integrated bar ends and in variants cut shorter for twist shifters. They attach with a lock-on style clamp and must be angled correctly to work.
Why it exists: Upright riders on flat bars put constant pressure on one spot of the palm, causing numb hands on long rides. The wing shape distributes that load, addressing the most common comfort complaint on commuter and touring bikes.
Typically found on: Commuters, trekking/touring bikes, and e-bikes; common aftermarket upgrade
Drop-bar tape (23.8 mm bars)
1900s-presentAlso called: handlebar tape, bar wrap
Wraps 23.8 mm (15/16 inch) drop bars; rolls about 30 mm wide and 2-3 m per side; thickness 1.8-4.6 mm
Road and gravel drop bars are gripped along their whole curved length, so instead of fixed grips they are wrapped in overlapping adhesive-backed tape, finished with a plug in the bar end. Thickness is the key spec: about 2 mm for race feel, 2.5-3.2 mm for all-round comfort, up to 4.6 mm for rough gravel. Cork, EVA foam, polyurethane, and silicone are common materials.
Why it exists: A drop bar has no single grip position, so a continuous wrap is the only way to cover the tops, hoods, and drops. The slightly larger 23.8 mm bar diameter is a separate legacy standard from steel road bars.
Typically found on: All road, gravel, cyclocross, and touring bikes with drop bars
Bar-end plugs
alwaysAlso called: bar plugs, end caps
Press or expand into the open end of a 22.2 mm (flat) or 23.8 mm (drop) bar
Plastic or aluminum plugs that close the open ends of the handlebar. Most press in by hand; expanding versions tighten with a bolt. Many lock-on grips include integrated end caps, and bar tape kits include plugs that also anchor the tape.
Why it exists: Safety: an open metal bar end can act like a cookie cutter on flesh in a crash, and racing rules require plugged bars. They also keep dirt and water out of the bar.
Typically found on: Every bike; required equipment in most racing
What to record about yours
These are the values worth writing down when you add this part to your quiver — the critical ones drive compatibility matching.
| Spec | Matters for fit | Common values |
|---|---|---|
Bore (inner) diameter(mm) critical | The hole through the grip must match the bar. Flat bars are 22.2 mm at the grip area on virtually every bike, so this is almost always 22.2; drop bars are 23.8 mm and take tape instead. | 22.2 · 23.8 (drop bar, tape only) |
Attachment type critical | Lock-on grips bolt to the bar with aluminum collars and never slip; slide-on (push-on) grips hold by friction alone and are lighter and cushier. Drop bars use wrapped adhesive-backed tape instead. | lock-on · slide-on (push-on) · bar tape (drop bars) |
Grip length(mm) critical | The grip must fit between the end of the bar and your brake lever or shifter. Twist shifters (e.g. SRAM Grip Shift) occupy bar space, so they pair with short ~90-100 mm grips; trigger shifters take full-length ~130-140 mm grips. | 130 · 135 · 140 · 90-100 (twist-shifter short) · 150-170 (extra long) |
Outer diameter(mm) helpful | This is thickness in your hand, a comfort choice rather than a fit constraint. Smaller hands usually prefer 30 mm, larger hands 32-34 mm; thicker grips also damp vibration more. | 30 · 32 · 34 · 29 (thin race) |
Flange optional | A flange is a raised disc at the inner end of the grip that rests against the brake lever, common on BMX and older MTB grips. Flangeless is now standard on mountain bikes because the flange can interfere with modern lever positions. | flangeless · flanged |
Lock-ring count (lock-on only) optional | Lock-on grips clamp with either one collar (inner end only, more rubber under the palm) or two (both ends, most secure). Dual collars add a few millimeters of hard aluminum at the bar end. | single (inner) · dual |
Bar tape thickness (drop bars)(mm) helpful | Thin tape (about 1.8-2 mm) gives racers direct bar feel; thick tape (3-4.6 mm) cushions rough gravel roads. Tape is sold in rolls roughly 30 mm wide and 2-3 m long, enough for one bar. | 2.5 · 3.0-3.2 · 1.8-2.0 · 4.6 |
How to identify which one you have
By looking
Aluminum collars with small hex bolts at one or both ends of the grip mean lock-on; a plain one-piece rubber or foam sleeve means slide-on. A raised disc at the inner end is a flange. A flat paddle-shaped extension under your palm is an ergonomic wing grip. Drop bars wrapped in overlapping tape use bar tape, not grips.
By measuring
You rarely need to measure the bore: if the bar is flat or riser, it is 22.2 mm at the grip. Measure grip length end to end (typical 130-140 mm; ~90 mm indicates a twist-shifter grip) and outer diameter with calipers at the middle (30-34 mm typical). For tape, thickness is usually only listed on the packaging (1.8-4.6 mm).
By markings
Lock-on grips usually have the brand and model molded into the rubber or laser-etched on the lock ring (e.g. ODI, Ergon, Lizard Skins). Ergon grips print the model and size (S or L) on the clamp. Slide-on silicone grips like ESI mold the name into the surface. Bar tape brand is often printed on the finishing strips or end plugs.
Compatibility gotchas
- Any flat-bar grip fits any flat-bar bike: the 22.2 mm grip-area diameter is universal across mountain, hybrid, commuter, BMX, and flat-bar e-bikes, regardless of the bar's stem-clamp size (25.4, 31.8, or 35 mm).
- Grips and drop-bar tape are not interchangeable: drop bars are 23.8 mm in the grip area and are wrapped, not sleeved. The only common exceptions are bolt-on drop-bar end grips on some city bikes.
- If the bike has a twist shifter (SRAM Grip Shift, Shimano Revoshift), you need a short grip (~90-100 mm) on that side, or a grip set sold specifically for twist shifters. A standard 130 mm grip will not fit.
- Outer diameter (30-34 mm) is comfort sizing only; it never affects whether the grip fits the bar. Ergon-style grips size this as S/L by hand size instead of millimeters.
- On carbon handlebars, use lock-on grips torqued to spec and avoid over-tightening expanding bar-end plugs; adhesives and compressed-air tricks used for slide-on grips are safe, but never cut old grips off a carbon bar with a blade.
- Always run bar-end plugs. Grips or tape without plugged bar ends are a documented crash-injury hazard, and most lock-on grip sets and tape kits include them.
- Extra-long grips (150 mm+) exist for riders who move their hands around or for bars with minimal control clutter; check the space between your bar end and brake lever clamp before buying.