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Promax 31.8 mm Bicycle Stems

Bar clamp diameter is the diamater of the handlebar.

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Showing 24 products:

Promax Gent 31.8mm Stem, Length 90mm, 1-1/8" Threadless Black
Promax Gent 31.8mm Stem, Length 90mm, 1-1/8" Threadless Black

Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 90 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more

your price $31.99 + ships free

BuyBuyPART NUM 882930
Promax Gryf 31.8mm MTB Stem, Length 35mm, 1-1/8" Threadless Black
Promax Gryf 31.8mm MTB Stem, Length 35mm, 1-1/8" Threadless Black

Promax Gryf Stems. Rugged, durable, dependable. The GRYF stem was designed and cold forged to hold up on any ride. City, trail, mountain. Item Specifications … read more

your price $44.99 + ships free

BuyBuyPART NUM 250229
Promax Gent 31.8mm Stem, Length 45mm, 1-1/8" Threadless Black
Promax Gent 31.8mm Stem, Length 45mm, 1-1/8" Threadless Black

Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 45 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more

your price $31.99 + ships free

BuyBuyPART NUM 425732
Promax Gent 31.8mm Stem, Length 100mm, 1-1/8" Threadless Black
Promax Gent 31.8mm Stem, Length 100mm, 1-1/8" Threadless Black

Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 100 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more

your price $31.99 + ships free

BuyBuyPART NUM 261971
Promax Impact BMX Stem - 60mm, Top Load, Black
Promax Impact BMX Stem - 60mm, Top Load, Black

The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more

your price $49.99 + ships free

BuyBuyPART NUM 680750
Promax Impact BMX Stem - 53mm, Top Load, Black
Promax Impact BMX Stem - 53mm, Top Load, Black

The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more

your price $49.99 + ships free

BuyBuyPART NUM 740438
Promax Gryf 31.8mm MTB Stem, Length 45mm, 1-1/8" Threadless Black
Promax Gryf 31.8mm MTB Stem, Length 45mm, 1-1/8" Threadless Black

Promax Gryf Stems. Rugged, durable, dependable. The GRYF stem was designed and cold forged to hold up on any ride. City, trail, mountain. Item Specifications … read more

your price $44.99 + ships free

BuyBuyPART NUM 960766
Promax Banger 48mm Front Load Stem for 31.8mm Bars Silver
Promax Banger 48mm Front Load Stem for 31.8mm Bars Silver

Promax Stems Uses M6 bolts Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Silver Reach: 48 Steerer Clamp Diameter: 1-1/8" … read more

your price $49.99 + ships free

BuyBuyPART NUM 786668
Promax DA-230 31.8mm, Length 60mm w/Light Mount Black
Promax DA-230 31.8mm, Length 60mm w/Light Mount Black

Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 60 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 Threadless … read more

your price $34.99 + ships free

BuyBuyPART NUM 650740
Promax DA-1 Stem 120mm +/- 7 Degree 1-1/8 Threadless Red
Promax DA-1 Stem 120mm +/- 7 Degree 1-1/8 Threadless Red

The DA-1 XC mountain bike is 3D cold forged, then CNC machined from 6061-T6 aluminum to create a lightweight and strong stem. Item Specifications … read more

33% offretail $36.00 your price $23.99 + ships free

BuyBuyPART NUM 441214
Promax Banger BMX Stem - 53mm, Front Load, Black
Promax Banger BMX Stem - 53mm, Front Load, Black

Banger stems have a front-load design and can be used with either side up, providing a 5-millimeter drop or rise. Available with 48-millimeter and 53-millimeter … read more

your price $49.99 + ships free

BuyBuyPART NUM 560168
Promax Banger BMX Stem - 48mm, Front Load, Black
Promax Banger BMX Stem - 48mm, Front Load, Black

Banger stems have a front-load design and can be used with either side up, providing a 5-millimeter drop or rise. Available with 48-millimeter and 53-millimeter … read more

your price $49.99 + ships free

BuyBuyPART NUM 998677
Promax Banger 53mm Front Load Stem for 31.8mm Bars Silver
Promax Banger 53mm Front Load Stem for 31.8mm Bars Silver

Promax Stems Uses M6 bolts Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Silver Reach: 53 Steerer Clamp Diameter: 1-1/8" … read more

50% offretail $49.99 your price $24.99 + ships free

BuyBuyPART NUM 386167
Promax Impact BMX Stem - 48mm, Top Load, Black
Promax Impact BMX Stem - 48mm, Top Load, Black

The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more

your price $49.99 + ships free

BuyBuyPART NUM 207434
Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue
Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue

The new 31.8 Impact stem has a 45-degree top-load design for BMX racing and freestyle. Available in 48-, 53- and 60-millimeter extensions, the stems … read more

your price $50.00 + ships free

BuyBuyPART NUM 962130
Promax, Handle, Stem, Diameter: 31.8mm, Length: 110mm, Steerer: 28.6mm, Black
Promax, Handle, Stem, Diameter: 31.8mm, Length: 110mm, Steerer: 28.6mm, Black

alloy black w/ QR for tool-less angle adjustment (0-70 degree) bar bore 31.8 mm ext. 110 mm 180 mm quill … read more

your price $59.99 + ships free

BuyBuyPART NUM 142459
Promax, 85mm Ahead Adj, Stem, Diameter: 31.8mm, Length: 85mm, Steerer: 28.6mm, Black
Promax, 85mm Ahead Adj, Stem, Diameter: 31.8mm, Length: 85mm, Steerer: 28.6mm, Black

alloy angle adjustable -25 degree-90 degree Extension 85 mm barbore 31.8 mm for 1.1/8" (quill ID 28.6 mm) … read more

your price $49.99

BuyBuyPART NUM 724271
Promax S-29 Stem 100mm 0 Degree 1-1/8" Blue
Promax S-29 Stem 100mm 0 Degree 1-1/8" Blue

Developed for longer-travel trail bikes, the S-29 offers the perfect configuration to set up the rider for maximum comfort and control. Featuring an … read more

54% offretail $41.00 your price $18.99 + ships free

BuyBuyPART NUM 328757
Promax Gent 31.8mm Stem, Length 60mm, 1-1/8" Threadless Black
Promax Gent 31.8mm Stem, Length 60mm, 1-1/8" Threadless Black

Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 60 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more

Currently Sold Out

your price $31.99 + ships free

InfoInfo
Promax Gent 31.8mm Stem, Length 35mm, 1-1/8" Threadless Black
Promax Gent 31.8mm Stem, Length 35mm, 1-1/8" Threadless Black

Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 35 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more

Currently Sold Out

your price $31.99 + ships free

InfoInfo

We define color as the main color of the item. It may have accents or highlights in other colors.

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

These models are available for online purchasing and can be shipped directly to you.

Bar clamp diameter is the diamater of the handlebar.

Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.

S.H.I.S clamp diameter is the steerer tube diameter.

Stem Type

This is the part number or identifier for this item from the manufacturer

Limited quantities remaining.

Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.

Buy this product and your entire order ships for free.

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