Promax 31.8 mm Bicycle Stems
Bar clamp diameter is the diamater of the handlebar.
Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Sort
Showing 31 products:
Promax Impact BMX Stem - 60mm, Top Load, Black 
BuyPART NUM 680750
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
Promax ST21-0BA85L60-BK
Ships Freeyour price $49.99 + ships free
BuyPART NUM 680750 
Promax S-29 Stem 100mm 0 Degree 1-1/8" Red BuyPART NUM 597251
Promax S-29 Stems Cold-forged 6061-T6 aluminum Oversize extension with extra-wide clamp and faceplate Meets or exceeds ENM standards … read more
54% offretail $41.00 your price $18.99 + ships free
BuyPART NUM 597251 
Promax DA-1 Stem 120mm +/- 7 Degree 1-1/8 Threadless Blue BuyPART NUM 619124
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
BuyPART NUM 619124 
Promax Banger 48mm Front Load Stem for 31.8mm Bars Silver BuyPART NUM 786668
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
BuyPART NUM 786668 
Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue BuyPART NUM 962130
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
BuyPART NUM 962130 
Promax S-29 Stem 100mm 0 Degree 1-1/8" Blue BuyPART NUM 328757
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
BuyPART NUM 328757 
Promax Banger 53mm Front Load Stem for 31.8mm Bars Silver BuyPART NUM 386167
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
your price $49.99 + ships free
BuyPART NUM 386167 
Promax Gryf 31.8mm MTB Stem, Length 45mm, 1-1/8" Threadless Black BuyPART NUM 960766
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
BuyPART NUM 960766
Promax Impact BMX Stem - 53mm, Top Load, Black BuyPART NUM 740438
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
BuyPART NUM 740438 
Promax Impact BMX Stem - 48mm, Top Load, Black BuyPART NUM 207434
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
BuyPART NUM 207434 
Promax Banger BMX Stem - 53mm, Front Load, Black BuyPART NUM 560168
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
BuyPART NUM 560168 
Promax Banger BMX Stem - 48mm, Front Load, Black BuyPART NUM 998677
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
BuyPART NUM 998677 
Promax DA-1 Stem 110mm +/- 7 Degree 1-1/8 Threadless Red BuyPART NUM 491438
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
Three remaining at this price33% offretail $36.00 your price $23.99 + ships free
BuyPART NUM 491438 
Promax DA-1 Stem 120mm +/- 7 Degree 1-1/8 Threadless Red BuyPART NUM 441214
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
BuyPART NUM 441214 
Promax Gryf 31.8mm MTB Stem, Length 35mm, 1-1/8" Threadless Black BuyPART NUM 250229
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
BuyPART NUM 250229 
Promax DA-230 31.8mm, Length 60mm w/Light Mount Black BuyPART NUM 650740
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
BuyPART NUM 650740 
Promax Gent 31.8mm Stem, Length 100mm, 1-1/8" Threadless Black BuyPART NUM 261971
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
BuyPART NUM 261971 
Promax Gent 31.8mm Stem, Length 90mm, 1-1/8" Threadless Black BuyPART NUM 882930
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
BuyPART NUM 882930 
Promax Gent 31.8mm Stem, Length 80mm, 1-1/8" Threadless Black BuyPART NUM 816908
Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 80 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more
your price $31.99 + ships free
BuyPART NUM 816908 
Promax Gent 31.8mm Stem, Length 70mm, 1-1/8" Threadless Black BuyPART NUM 522941
Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 70 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more
your price $31.99 + ships free
BuyPART NUM 522941 
We define color as the main color of the item. It may have accents or highlights in other colors.
These models are available for online purchasing and can be shipped directly to you.
Bar clamp diameter is the diamater of the handlebar.
S.H.I.S clamp diameter is the steerer tube diameter.
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.
This is the part number or identifier for this item from the manufacturer
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.
Stem Type
Limited quantities remaining.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.