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               Momentum Cycles:  The Premier Bike Shop in St. Charles, St. Peters, and O'fallon, MO.                                                 There is no substitute for a great bike fit.                 Huge savings on incredible products.                         

    Locations:  O'fallon  636.240.9232   .   St. Peters  636.397.7433                                         Store Hours:  Mon - Fri: 10 am - 8 pm    .    Sat: 10 am - 5 pm    .    Sun: 12 pm - 4pm

 
 
 
 
 
 
 
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Feature Items

Bontrager Sport Packable Wind Jacket
$69.99

Pack Bontrager's Sport Packable Wind Jacket on every ride and you'll be ready if the weather changes. Made from ultralight microfiber that's both wind and water resistant, it packs super small to easily fit in a pocket or pack. And, it's made specifically for cycling with an on-bike cut and… [more]

Salsa Lip-Lock
$18.00 - $20.00

Need a non-quick-release seatpost collar with some major bling? Then Salsa's Lip-Locks are just what you're waiting for! Regarded as some of the best out there by those in the know, these sweet seat collars are super tough, easy to use and come in a variety of colors to please your palette. [more]

Primal Wear Namaste Jersey - Women's
$66.95

Primal Wear's Namaste Jersey is made with their SpeedPro Advanced Moisture Transfer fabric so you stay cool when it’s hot and warm when it’s not. The non-elastic waist, cap sleeves and women's-specific fit offer excellent mobility and comfort. Plus, this jersey boasts a 3/4-length hidden zipper and… [more]

Profile Design Cobra S Stem (+/-6-degree rise)
$109.99 - $119.99

You'll strike like a cobra with Profile's Cobra S Stem! This sweet carbon-wrapped, forged aluminum stem delivers superior strength, excellent vibration damping and low weight. The 4-bolt faceplate is ultra tough and makes handlebar changes a breeze. And, the opposing-bolt steerer clamp is safe and… [more]

TruVativ AKA Stem
$47.00 - $53.00

TruVativ's AKA Stem is 3D forged from 7050 aluminum for durable strength in all conditions. Four bolts attach the faceplate for a vise-like grip on your bars, and the 2-bolt clamp secures to your steerer for pinpoint steering precision and stiffness. This stem perfectly balances weight and strength… [more]

Problem Solvers BB30/Press-Fit 30 Adapter Kit
$50.00

The Problem Solvers BB30/Press-Fit 30 Adapter Kit consists of DuPont Delrin (a tough, light type of plastic) pieces that allow you to use your external bottom bracket-style crankarms (24mm spindles, such as a Shimano Hollowtech II crank) with newer BB30 and Press-Fit 30 bottom brackets. Please… [more]

Product Rating
 
4.0 stars
 (2 Reviews)
Bontrager RXL Road Shoes
$284.99

The RXL Road Shoes are pro-level kicks that are supremely comfortable, great fitting and super efficient—everything you could want in a thoroughbred shoe. Bontrager's Gold Series carbon soles deliver the stiffness you need for maximum power transfer and inside you'll enjoy the comfort of… [more]

Serfas Cruiser Reactive Gel Saddle w/Springs
$48.00

Sit back and relax in style with Serfas' Cruiser Reactive Gel Saddle. Its wide base and springs keep you feeling good no matter how long your rides are. You'll also love the grooved top that eliminates pressure to sensitive areas and the gel inside that conforms to your body for a custom fit. •… [more]

Bontrager Race All Weather Plus Tire
$29.99

Bontrager's Race All Weather Plus is a great all around tire that doesn't shy away from a little nasty weather. It features a durable tread for excellent traction in a variety of conditions. Cornering confidence is yours with a nice, round profile and the sides feature siping for better contact in… [more]

Bontrager H4 Hardcase Plus (700c)
$39.99

Bontrager's H4 Hardcase Plus is a great addition to your comfort bike. This tough tire has a semi-slick center tread for minimal rolling resistance and sides with grippy, grooved rubber that provide cornering traction even in wet weather. Plus, the Comfort features Bontrager's Hardcase triple… [more]

Bontrager XR1 Expert Tire
$49.99

Bontrager combined their years of tire engineering and off-road racing experience and came up with one of their fastest tires ever: the XR1. Made for fast courses on dry hardpack, the XR1 is super light, rolls fast and gives you predictable cornering and braking. The lightweight folding bead helps… [more]

Thomson Elite Setback Seatpost
$99.95

Thomson's Elite Setback Seatpost is perhaps one of the most recognizable bicycle components in the world and it has earned its reputation as a super-strong, light and reliable beauty. With roots in the aerospace industry, Thomson builds the post with a tough and light 7000-series aluminum body, an… [more]

Product Rating
 
1.0 stars
 (1 Review)
Shimano SH-MW80 Shoes
$229.99

Keep the harsh winter weather at bay with Shimano's rugged SH-MW80 Shoes. The Gore-Tex liners, neoprene uppers and high-top design all work together to keep your feet warm, dry and comfortable. Plus, they feature hook-and-loop closures for a custom fit as well as reflective strips for visibility… [more]

Bontrager Ernest Jacket
$109.99

If you're on the hunt for a favorite post-ride jacket for cooler weather, look no further than Bontrager's Ernest Jacket! Profila Thermal fabric with a Profila Windshell front panel means you get a windproof jacket with warmth to spare. It also boasts a full-length zipper with draft flap, a… [more]

Pearl Izumi P.R.O. Lobster Gloves
$45.00

Changing conditions call for smart layering and Pearl's P.R.O. Lobster Gloves. They're the smartest gloves around. They look like your standard full-finger gloves until it gets cold, then an Optik-Barrier windproof shell pops out from a clever pocket to protect your precious digits. Two separate… [more]

Continental Grand Prix 4000 (700c Tubular)
$149.99

With the tried-and-true tread of the 4000 and the unbeatable ride quality of a handmade German tubular, Continental's Grand Prix 4000 Tubular is destined for greatness. Its seamless casing perfects the seating on the wheel for top-notch rolling resistance and easy mounting, and is super supple,… [more]

Product Rating
 
0.0 stars
 (0 Reviews)
Bontrager Ember Multi-Use Light
$12.99

Simple and small safety that sticks with you Instantly add a burst of visibility to the rear of your bike with the Ember taillight. Used as a stand alone system in twilight conditions, as additional lighting, or as an emergency back-up, these compact and stylish lights provide key visibility with… [more]

Product Rating
 
5.0 stars
 (1 Review)
Bontrager Self-Sealing Tube (700c)
$14.99

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay. [more]

Bontrager Rhythm Elite Short Sleeve Jersey
$54.99

Bontrager offers the perfect off-road jersey: the Rhythm Elite Short Sleeve. It's made from Bontrager's super-soft, breathable fabric that dries quickly for serious comfort. Plus there are stretchy shoulder panels for complete freedom of movement, a built-in glasses wipe at the hem and a zip pocket… [more]

Park Tool Mechanic's Shirt
$44.95 - $47.36

Park's Mechanic's Shirt makes you look and feel like a pro. It's made of a comfortable, durable and wrinkle-free 65/35% poly/cotton blend. [more]

SockGuy Dummy Socks
$9.95

Your feet will be happier in SockGuy cycling socks. They're made of a supportive, comfortable and ultra-wicking Micro Denier nylon/spandex fabric and boast double-stitched toes and heels for excellent durability. Plus, for a perfect fit and feel on any foot, they feature SockGuy's Stretch-to-Fit… [more]

Bontrager RXXXL Limited Edition Road Shoes
$299.99

The RXXXL Limited Edition Road Shoes are the crown jewel in Bontrager's road line-up, thanks to their unbelievable lightness, support, comfort and efficiency. From the ground up, the RXXXLs mean business. Hand-molded Platinum series carbon soles deliver the stiffness you need for maximum power… [more]

Tifosi Seek Polarized
$69.99

Seek out aerobic adventure in Tifosi's Seek Polarized sunglasses. These slick, lightweight shades boast Tifosi's exceptionally tough Grilamid frames, while their Polarized lenses are injected at high pressure to increase optical clarity and durability while providing 99% glare reduction and… [more]

Pearl Izumi Elite In-R-Cool Long Tri Shorts
$90.99

Pearl Izumi's Elite In-R-Cool Long Tri Shorts use their Elite Transfer fabric to deliver comfortable support for all your triathlon training and racing. These long shorts provide extra muscle coverage, excellent moisture transfer and UPF 50+ sun protection, while Pearl's In-R-Cool technology… [more]

Bontrager SX Kids' Tire
$19.99

Equip your little ripper with tech from the big leagues with the Bontrager SX Kids' tire. A specially designed tread pattern shreds hardpack trails with small-yet-ferocious side knobs, and the semi-continuous center tread rolls fast and easy on the road. With such a quick-rolling, sure-footed tire… [more]

RockShox SID XX 29er
$824.99 - $879.99

When it comes to lightweight, high-end suspension, RockShox's SID XX is pretty much THE fork for serious cross country riders and marathon racers. It's light, it's stiff and its Dual Air chambers and XX Motion Control DNA damping are fully tunable for a custom feel and a dialed ride. The Solo Air… [more]

Shimano Deore XT Front Derailleur
(Down Swing, Clamp-On)
$65.99

Shimano's Deore XT Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear. Plus, the body boasts wide parallel pivots that provide fast, smooth and reliable shifts every time. [more]

Bontrager Race Lite Tire
$39.99

Bontrager's RL is a super tire for fast training and centuries. It features a durable, dual-compound tread for excellent traction in a variety of conditions. The round profile grips like glue in corners and the lightweight, high-density casing offers a supple ride you'll love. [more]

Product Rating
 
0.0 stars
 (0 Reviews)
Trek Speed Concept 7.5 - 2013
$4,039.99

Miles ahead of other bikes in its class, against the clock, and out on the road, Trek's Speed Concept 7.5 is all about optimum aerodynamics and serious speed. Its full-carbon frame uses unique Kammtail shapes that cheat the wind even when it's coming from the side and provide excellent pedaling… [more]

Profile Design ZBS S-Bend Clip-on Aerobars
$139.99

Profile Design's ZBS S-Bend Clip-on Aerobars are made of light and durable 6061 aluminum and feature their ZBS brackets that provide a low arms position so this design is great for aggressive time trial and triathlon riding positions. It also boasts their F-19 adjustable anatomic armrests. [more]

 
 
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