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Parts
Upgrade your riding experience with essential gear from Bike World Iowa .

$159.99
Comfort without sacrificing power
Aeolus Elite brings comfort, power, and speed to road riders looking to dig deep and rotate further forward into a more aero road position. It's the go-to race saddle for both men and women who want to comfortably get the most out of their aero road bike. A shorter overall length with a wider nose and full cut-out ensure targeted support that eliminates soft-tissue pressure.
Product details
- inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort
- Designed to support riders in an Aero Road riding position
- Full saddle cut-out minimizes soft-tissue pressure allowing for a more powerful, rotated position
- Two sizes designed to align saddle with bone structure for both men and women and avoid soft-tissue compression
- Austenite rails are lighter and stronger than hollow Titanium
- Lightweight shell provides balance of weight, strength, and compliance
- Elite-level trim optimizes foam padding for added lightweight comfort
- Available Blendr accessory mounts to cleanly integrate rear light

$442.00
DZero is Quarq's next-generation power meter platform for those who live to be challenged, pushed, and tested in the toughest scenarios imaginable. Now Quarq has introduced a DZero spider designed to replace the factory spider on Specialized's S-Works carbon crankset.
Quarq DZero for Specialized embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth low energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app. You also get AxCad accelerometer cadence, the easy-to-replace CR2032 battery, an IPX7 waterproof rating and a 2-year warranty.
Features & Benefits:
- Bluetooth low energy technology and ANT+ wireless data transfer
- AxCad – no cadence magnet required
- 10K Temperature Compensation
- Battery – CR2032, 200-hour battery life, change without tools
- Power Balance
- OmniCal – swap chainrings without affecting accuracy
- 2-year warranty
- IPX7 waterproof rating
- Accuracy – within 1.5%, measuring both legs
- Free firmware upgrades with the Qalvin app
Essential Details:
- Traditional 5-arm spider compatible with Specialized S-Works Carbon Road Crank Arms from 2013-Current.
- Available in 130 BCD and 110 BCD.
- Replaces the standard spider.
- A Specialized lockring tool is required for installation.

$59.99
Here For The Party
A party's just not a party until Chester shows up. This burly nylon-composite pedal is big on features, small on price, and fully ready to tear up some trail. A concave body, replaceable traction pins, and a cro-mo sealed axle are all representing.
The Full Meal Deal
A slim yet durable nylon-composite body is accented with a concave design, built-in traction treads and 8 replaceable traction pins per side.
Not Just Another Axle
Made to stand up to punishment, the durable sealed cro-mo axle rolls on a completely serviceable bearing + bushing set-up.
Bling For Your Bike
No build is complete without sick looking color-Coordinated pedals. Chester pedals come in multiple vibrant colors to choose from.
Specs
- Platform Height: 18.4mm
- # of Pins: 16 SHCS hex traction pins per pedal (8 per side)
- Platform L x W: 101 x 110mm
- Axle Material: Chromoly Steel
- Body Material: Nylon Composite
- Material: Nylon Composite
- Weight: 360g

$14.99
Keep your seatpost right where you left it. Upgrade to a quick release seatpost clamp for easy seat height adjustments.
- Follow laser-etched torque listing on collar

$150.00
Globally renowned and truly timeless, the B17 Standard is the saddle that secured Brooks' place in cycling history. It's been in constant production since 1910, providing cyclists around the world with over one hundred years of sublime support and unrivaled comfort. Each B17 Standard shapes itself to its rider, leading to a personal, customized saddle that fits like no other. And of course, it features Brooks' full grain, premium leather top secured by their trademark rivets for the ultimate in style, comfort, and durability.

$12.99 - $19.99
$27.99
Up to 54% Off
Lock on to the trail
Confidently handle any trail with the SE Elite mountain bike grip. This 32mm single lock-on grip with core lock clamps holds tight on any terrain, and a unique opposing tread pattern provides the perfect amount of padding for your palms while providing traction at your fingertips.
Key features
- Opposing tread design absorbs shock in palms with a biting grip in fingers
- Rubber compound and design provides confident grip, control, and comfort
- Tread features continuous channels to funnel sweat for effective moisture management
- Single-clamp design maximizes grip surface for secure, predictable performance
- Core-lock clamp eliminates slipping by securing grip core to bar
- 3mm M4 bolt increases hold and resists stripping
- 32mm diameter

$158.00
- Aluminum body that is slightly more compact than the SPECIALE 12, yet it offers a stable platform and four adjustable pins for optimal grip.
- The micro-adjustable tension clamping system allows riders to fine-tune the pedal function for their preferred riding style.
- TIME's patented clamping system allows for easy entry and positive, predictable release, as well as a self-cleaning design to ensure reliable performance in all conditions.
Specs:
- Pedal Material: Aluminum
- Pedal Weight: 196g
- Cleat Compatibility: ATAC
- Spindle Material: Steel
- Pedal Bearing: Ball bearings
- Pedals Thread: 9/16"

$189.99
$240.99
21% Off
An ultra-light performance saddle with a carbon-reinforced shell and a full cutout for targeted support and soft tissue pressure relief for riders of all genders and disciplines.
For mountain, for road, for men, for women
Our most versatile performance saddle puts you in a power posture for speed and control wherever you ride. Verse Pro is built with ultra-light, oversized carbon rails, a carbon-reinforced shell, and an inForm design with a full cutout shape for the ultimate in comfort and performance. Plus, it's equipped with a rear-facing Blendr mount for a Flare tail light.
Product details
- Saddle design supports riders of all genders in a performance riding position on road and mountain bikes
- Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance
- Oversized carbon rails for lightweight strength (specific seat post ear clamps required)
- Lightweight carbon-reinforced shell provides perfect balance of weight, strength, and compliance
- Multiple widths and extended rail clamping area give more fit options
- inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort
- Available Blendr accessory mounts to cleanly integrate rear light

$57.99
The Bontrager Boulevard saddle pairs a full cut-out with sleek styling that looks great while also providing a plush comfortable ride. Details like air foam padding and Zone Density shell construction provide the perfect blend of comfort and support, while an integrated handle makes it easy to lift and maneuver your bike before or after a ride.
Key features
- City saddle that offers support for comfort and recreational riders with upright on-bike positions
- Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection
- Zone Density shell construction adds compliance for optimal comfort and performance
- Soft, supportive air foam padding provides ultimate on-bike comfort
- Includes integrated bolt-on handle installed
- Length: 280mm

$99.99
Comfort without sacrificing power
Aeolus Comp brings comfort, power, and speed to road riders looking to dig deep and rotate further forward into a more aero road position. Added padding make it the go-to saddle for anyone who wants to comfortably get the most out of their aero road bike. A shorter overall length with a wider nose and full cut-out ensure targeted support that eliminates soft-tissue pressure.
Product details
- inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort
- Designed to support riders in an Aero Road riding position
- Full saddle cut-out minimizes soft-tissue pressure allowing for a more powerful, rotated position
- Two sizes designed to align saddle with bone structure for both men and women and avoid soft-tissue compression
- Lightweight shell provides balance of weight, strength, and compliance
- Comp-level trim optimizes foam padding for added lightweight comfort
- Available Blendr accessory mounts to cleanly integrate rear light

$80.00
PD-EH500 pedals
FEATURE
- One side SPD, the other side flat
- Light action binding makes frequent stepping-in & out easier
- Better grip on flat side for wet condition
BENEFIT
- Convenient road touring pedal
- Optimized for urban riding
- Multi-condition
- Best match with CT or MT shoes

$188.99
The Line Pro Carbon MTB Handlebar adds strength and saves weight. This trail-tough bar has an oversized 35mm diameter, and it's built with OCLV Carbon so it's strong enough for even the most demanding trails and compliant enough for comfort on long descents and rugged terrain.
- Pro-level quality handlebar in oversized 35mm clamp diameter offers increased strength and minimal weight
- 27.5mm high rise helps you dial in the perfect hand position
- Brake and shifter lever position lines for spot-on control setup
- 40mm of cut marks on each side for easy width customization
- OCLV Carbon construction is the benchmark for durability and light weight

$19.99
$30.99
35% Off
- Smooth velvety texture provides confidence inspiring comfort and grip
- Shock-absorbing foam for added comfort
- Finishing strips and reflective Bontrager bar end plugs included
- Adhesive backing

$54.99
The DEFTRAP will revolutionize what you should expect from a nylon composite pedal with it's non-offset symmetrical platform to offer added stability behind the spindle, a true concave pedal profile so your feet sink into it, 10 total pins (8 replaceable cr-mo pins and 2 molded pins), our tried and true sealed bearings and DU bushing system, and top tier nylon and glass fiber composite material to create a pedal that feels unlike anything on the market. With a focus on ride quality, increased foot support, added stability, leading traction, ability to skim over rocks, and even coming in 10 colors-the DEFTRAP will challenge you to rebel against the conventional perception that a value pedal cannot rival the best pedals on the market!

$410.00
The SRAM RED AXS Crank Arm Assembly features hollow carbon Exogram crank arms for a lightweight, strong, and elegant crank. It can be paired with any SRAM AXS spider or integrated chainring, with or without power.
- The 8-bolt interface is compatible with power and non-power AXS spiders and integrated chainrings
- Not compatible with SRAM's 3-bolt direct mount interface
- Hollow Exogram carbon arms
- Spider and chainrings sold separately
- DUB spindle interface
- Compatible with all SRAM Road DUB bottom brackets
- Number of Chainrings: No Rings, No Spider Included
- Crank Intended Use: Road, Tri, Cyclocross
- Pedal Spindle: 9/16"
- Spindle Interface Type: SRAM DUB
- Chainring BCD: Direct Mount SRAM
- BB Included: No

$43.00 - $54.00
Paceline disc brake rotors incorporate the elegant design of our eTap AXS road groupsets and feature a new brake track vent design for smooth, quiet braking performance.
- Designed for road use
- Paceline brake track offers quiet brake operation

$188.99
A 35mm OCLV Carbon handlebar that adds strength, saves weight, and maintains compliance on rugged MTB trails.
Pin it to win it
The Line Pro Carbon MTB Handlebar adds strength and saves weight. This trail-tough bar has an oversize 35mm diameter, and it's built with OCLV Carbon so it's strong enough for even the most demanding trails and compliant enough for comfort on long descents and rugged terrain.
Product details
- Pro-level quality handlebar in oversize 35mm clamp diameter offers increased strength and minimal weight
- 15mm and 27.5mm rise options to dial in the perfect hand position
- Brake and shifter lever position lines for spot-on control set-up
- 40mm of cut marks on each side for easy width customization
- OCLV Carbon construction is the benchmark for durability and light weight

$74.99
Ergon's GP5 Grips feature an anatomical design that keeps your hands happy while creating a natural wrist angle for the ultimate in comfort. Complementing the sweet feel, these great grips also offer excellent pressure distribution with 100% support for your hands. You get more grip to hold on to, which improves your control for all types of riding — even technical off-road use. You'll love the integrated bar ends for extra leverage on climbs as well as the built-in bar clamps for fast, secure installation. Try them, you won't go back.

$60.00
On today's road bikes, silver stands out amid the sea of stealthy black color schemes. This time-honored color is available on the Zipp Service Course stem. Since the introduction of our line of Service Course and Service Course SL components, we've had amazing success with our pro-level athletes in all disciplines. While the successes have reinforced our design decisions, we have also drawn from their feedback. We not only learned how and why athletes make their equipment choices, but how our manufacturing methods and materials affect product performance. With new knowledge as well as new engineering methods, we are proud to introduce our completely redesigned line of Service Course and Service Course SL stems.
- Class-leading stiffness-to-weight ratio
- More options for a better fit
- New faceplate and geometry for greater stiffness and easier installation
- Distinctive silver finish

$79.95
The Ergon grip with a full size, multi-position bar end for maximum hand positions, increased leverage, and stability when climbing or during out-of-the-saddle cycling. Perfect for commuting, touring, or for those who like a longer bar end. The bar end angle can be adjusted independently from the angle of the grip for the perfect personal fit and the bar end doubles as a clamp to lock the grip in place and prevent movement while riding. Like all the grips in the GP-Series, the GP5 eliminates numb hands, aching fingers, and tired forearms. The GP5 is made from 100% German, TÜV-certified rubber compounds of the purest quality.
- Not suitable for use with carbon handlebars
- Uses: touring, commuting
- Clamp: fiberglass composite with rubber inserts

$69.99
Ride comfortably on even hot days with Selle Royal's Respiro saddle. It boasts a Cool Cover that keeps the saddle up to 25 degrees cooler, and an innovative ventilation channel to keep the air flowing. Complementing these extraordinary features is Selle Royal's Royalgel that eliminates pressure points for awesome plushness. And, this amazing saddle comes in three models so you can choose the perfect fit. If you want the ultimate in breezy comfort, this is it!
$565.00
For carving XC courses, going the distance on gravel roads, or roaming along bikepacking routes, the Whisky No.9 MTN Boost Fork brings a new dimension to your mountain bike. Lighter and stiffer than a suspension fork, it’s long enough to replace forks with 120mm to 130mm of travel. The boost 110mm spacing means your current wheels will likely bolt right in, and clearance for up to a 29 x 3.0" or 27.5 x 3.0" tire lets you alter your setup for wherever you’re riding. The Three-Pack mounts handily hold extra water, camping gear, tools, tubes, and more.
- 15mm thru-axle with 110mm Boost spacing
- Post-style brake mount
- 1.5" tapered carbon steerer
- Two sets of Three-Pack mounts
- ASTM Condition 3 - For rough off-road riding and jumps less than 24"

$264.00
Meet the new standard for hard-hitting, heavy-duty braking. We added 15% extra piston power and 30% more volume in the lever reservoir, ensuring peak performance for the full run. And with SwingLink and Lever Pivot Bearing technologies, lever feel remains smooth and progressive, no matter how hard the pull. Go deeper and grab more power.
- Designed specifically for heavy-duty demands.
- Pivot bearing offers crisp lever feel and a fatigue-free ride.
- Metallic pads come standard for more power and longer wear.

$99.99
Our most versatile performance saddle offers a full cutout for targeted support and soft tissue pressure relief for riders of all genders and all disciplines.
For mountain, for road, for men, for women
Our most versatile performance saddle puts you in a power posture for speed and control wherever you ride—and it’s available in an wide range of sizes to ensure you get the fit you need. A full cutout ensures long-haul comfort for all riders and all terrain. Plus, it has longer saddle rails to tailor your fit and an integrated Blendr mount for a Flare tail light.
Product details
- Saddle design supports riders of all genders in a performance riding position on road and mountain bikes
- Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance
- Lightweight shell provides balance of weight, strength, and compliance
- Comp-level trim optimizes foam padding for added lightweight comfort
- Multiple widths and extended rail clamping area give more fit options
- inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort
- Available Blendr accessory mounts to cleanly integrate rear light

$1,019.00
ZEB Ultimate is a whole new breed of fork, designed to challenge the limits and take on the world’s toughest Enduro tracks. Going Ultimate has its advantages—this fork has a stiff, 38mm chassis designed with the Charger 2.1 damper, DebonAir spring technology, SKF Wiper Seals, and Maxima Plush Fluid. It pairs our highest performing, athlete-proven technologies with premium style.
- New, 38mm chassis for increased stiffness and rider confidence
- Updated, highly tunable DebonAir spring offers a buttery-smooth feel off the top and maintains a higher ride height for increased confidence in steep terrain
- Charger 2.1 RC2 damper features independent high and low-speed compression adjustments
- Dual Position Air adjustment option to change the geometry of the bike for climbs and descents
- Ultra-low-friction SKF wiper seals provide long-lasting fork performance and improve overall suspension feel
- Maxima Plush damping fluid reduces friction and silences damper noise
- Ultimate foil graphics package

$633.00
The day-in, day-out Eagle ecosystem hero is now available with AXS. The GX AXS upgrade kit is your entry point into wireless drivetrain simplicity. Compatible with any of our Eagle ecosystem cassettes and crank arms, the upgrade kit allows you to experience AXS without needing to buy an entire groupset—provided you already are using Eagle products. No matter if you are looking to upgrade your ride or looking for great value replacement parts, look no further than the GX AXS upgrade kit.
- Includes the SRAM GX Eagle AXS rear derailleur with battery, Eagle controller with clamp, charger with cord, and chain gap tool
- The GX Eagle AXS rear derailleur shifts on command, whether under climbing load or sprinting to the stage finish, and is smart enough to protect itself thanks to its incredibly resilient Overload Clutch
- Rear derailleur is compatible with 10-50t and 10-52t cassettes
- The GX Eagle AXS controller offers a unique wireless shifting experience with ergonomic touchpoints that are customizable to your preferences. You can choose what each button does through the AXS App

$31.99 - $33.99
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$159.00
No matter how difficult the trail terrain, Magura's 4-piston technology and novel new ergonomics in the brake lever give you a performance package which will fill you with confidence. The MT5 is also perfect for S-Pedelecs. The aluminium, two-finger brake levers are ergonomically perfect for your hands, allowing you to easily and accurately apply the braking power you need, even during long braking actions. Their use of Carbotecture technology in the brake handle housing keeps the MT5's weight down to a minimum and provides optimal braking performance.
- An evolution of the MT line, the MT NEXT lineage of brakes is the next generation of braking performance
- Carbotecture Body which is a proprietary carbon weave that is nearly twice as strong as carbon laminates, aluminum or magnesium
- Carbotecture radial design master-cylinder/lever with 2-finger alloy lever blade and clamp with adjustable reach, flip/flop design, and EBT or Easy Bleed Technology port on reservoir
- Double Arch forged 4 piston monoblock caliper design that features anti-heat, anti-drag and anti-squeal and magnetiX brake pad system for easy pad replacement
- Full-hydraulic Magura Royal Blood mineral oil system with a 5-year leakproof warranty
- Includes flip/flop front or rear lever, 2000mm pre-bled tubing kit, 74mm post-mount caliper, MC/lever, alloy hardware, tubing shortening bits, and manual

$36.99
Fitness-focused Posture 4 saddle with comfort of a cut-out design.
Fitness focused, and designed for comfort
The women's Sport cycling saddle provides performance, support, and comfort that is tailor made for the female fitness rider. A full cut-out design and soft padded design adds comfort to every ride and helps make staying fit more fun.
Product details
- Fitness Posture 4 features an upright pelvic rotation to go farther, faster
- Engineered specifically to yield better fit and greater comfort for women
- Contour Relief Zone Plus (CRZ+) full saddle cut-away enhances soft tissue protection
- Tough, weather-resistant cover repels water
- Sleek, supportive padding provides comfort while maintaining performance
Specifications
- Size: 275mm x 167mm
- Length: 275mm
- Width: 167mm
- Rail dimensions: Round 7x7mm (Standard)
- Cover material: Microfiber
- Rail material: Steel
- Weight: 355g

$29.99
Grippler gives you the moisture shedding, long gripping sensation you crave, with the hard wearing resilience you expect from Race Face. Our proprietary compound and diamond buff finish feels great with both gloves and bare hands - and with ramped grip profile on finger-side plus varied grip depth on palm-side, Grippler will bring you to a higher level of digitization. Available now in 10 colours, and two sizes, the Grippler surpasses industry standards for gripabilty. And now with Double Lock Ons the Grippler EVEN GRIPS ITSELF. Get a grip, with the Grippler.
- Directional ramped logo underside
- Proprietary compound extends over Dual Lock Ons
- Vibration dampening, hard wearing, moisture shedding
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