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shimano 105 di2 complete build without wheels.

Get your little girl on two wheels earlier than ever with Sun's Lil Kitt'n. This safe, reliable run bike allows her to keep both feet on the ground at all times for maximum control and confidence. And, she'll love the bright, eye-catching graphics, too!

The Dirt Hero off-road balance bike is a scaled down enduro machine, designed specifically for MTB kids who want to take to the trails. Off-road pneumatic tires, 12-14” convertibility, mtb geometry and a rear hydraulic disc brake inspires confidence and progression in mini mountain bikers who want to get off the driveway and onto the dirt. - The Dirt Hero takes 12" and 14" wheel sizes – growing alongside your little shredder - Frame material: 6061-T6 aluminium - Head tube: Standard 1-1/8" semi integrated headset compatible - Seat post: Aluminum 6061-T6, 27.2mm - Fork: 6061-T6 aluminium - Bearings: NECO H125 - Color: Arctic storm white, matte *FRAME ONLY* Handlebar: KRS custom. 25.4mm clamp, 19mm handles, Up sweep 6 degrees, backsweep 8 degrees, length 450mm, rise 20mm Grips: KRS custom 19mm Stem: Forged 6061 T6 Aluminium, Rise: 0, Reach 30mm, Clamp: 25.4mm Headset: Semi integrated headset (sealed cartridge bearings) Sizing 12" Wheels Age: 2 - 3 years Minimum suggested inseam: 337mm / 13.3" Minimum saddle height: 317mm / 12.5" 14" Wheels Age: 3 - 5 years Minimum suggested inseam: 367mm / 14.4" Minimum saddle height: 346mm / 13.6"

- Special edition Keith Haring x Affinity collection - Birch plywood white washed frame with quality mag wheels, rubber tires with tubes, and adjustable seat height - Features original Keith Haring artwork with screen printed colorful graphics - Helps develop balance, coordination, and motor skills for a smoother transition to pedaled bikes - Comes with all over print XL tote bag

Starting early is the key to teaching your young ones the joys of bicycle life, and there's no better way to do so than with our Hotwalk. It's for kids 18 months to 4 years old*, and it's designed for fewer crashes and more smiles to make learning to ride a bike as easy as can be. - Adult assembly is required. Tools are included in the box. - Tough A1 Premium Aluminum frame has a low standover that's made to fit all sizes of little kids. - The 12-inch alloy wheels are not only light but durable enough to take plenty of abuse. - The Rhythm Lite Airless tires will never go flat, allowing your little ripper to scoot around on- and off-road worry-free.

For total "fun on one," Sun's Flat Top Extreme Unicycle is the way to go. This fun ride sports a chromoly frame, a bomb-proof ISIS spindle hub, and aluminum crank arms for maximum stiffness and impact-resistance. The seat has a built-in grab bar for extra control in tight spots. This lightweight, extra-responsive unicycle will entertain you for years to come and help develop your one-wheeled skills!

The Dirt Hero off-road balance bike is a scaled down enduro machine, designed specifically for MTB kids who want to take to the trails. Off-road pneumatic tires, 12-14” convertibility, mtb geometry and a rear hydraulic disc brake inspires confidence and progression in mini mountain bikers who want to get off the driveway and onto the dirt. 2 bikes in 1 The Dirt Hero takes 12” and 14” wheel sizes – growing alongside your little shredder. Grippy & shock absorbing tyres 2.25” Vee Tire Crown Gem pneumatic tyres, significantly increase grip and cushioning over bumps, for a smoother ride. Easy reach brake lever The Magura HC1 brake lever has some of the best reach adjustment on the market – making it easy for little hands to operate. Braking powered by Magura Providing more braking power & requiring less hand strength to use than v brakes – the Dirt Hero features a Magura MT4 hydraulic rear disc brake with the world’s first child safe rotor guard. 3X MTB frame skins Your little shredder can customise their ride with the choice of 3 MTB frame skins, featuring the much-loved animals from our Shred Til Bed series.

The Dirt Hero off-road balance bike is a scaled down enduro machine, designed specifically for MTB kids who want to take to the trails. Off-road pneumatic tires, 12-14” convertibility, mtb geometry and a rear hydraulic disc brake inspires confidence and progression in mini mountain bikers who want to get off the driveway and onto the dirt. 2 bikes in 1 The Dirt Hero takes 12” and 14” wheel sizes – growing alongside your little shredder. Grippy & shock absorbing tyres 2.25” Vee Tire Crown Gem pneumatic tyres, significantly increase grip and cushioning over bumps, for a smoother ride. Easy reach brake lever The Magura HC1 brake lever has some of the best reach adjustment on the market – making it easy for little hands to operate. Braking powered by Magura Providing more braking power & requiring less hand strength to use than v brakes – the Dirt Hero features a Magura MT4 hydraulic rear disc brake with the world’s first child safe rotor guard. 3X MTB frame skins Your little shredder can customise their ride with the choice of 3 MTB frame skins, featuring the much-loved animals from our Shred Til Bed series.

With our Riprock Coaster 16, riding gets boiled down to its simplest element—fun. And to make sure of it, we designed the bike with tons of cool features that are easy for your little ones to use, like a coaster brake for simple stopping, wide 16x2.3" tires that increase stability and confidence, and tough components that will stand up to years of abuse. It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids. - The A1 premium aluminum frame is lightweight and built to withstand the tough use by kids, while the geometry features an ultra-low standover that makes it easy for your little ones to fit on and grow with the bike. - Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids. - 16x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain.

The Revo line allows you to get your first taste of the BMX world on a solid and well-designed bike. We took extra care when hand-selecting the components on these bikes to ensure that the bike could be ridden straight out of the box, simple to work on and maintain, but also easily upgradeable over time. The Radio Bikes Revo 20-inch Complete Bike allows you to get your first taste of the BMX world on a solid and well-designed bike. We took extra care when hand-selecting the components on these bikes to ensure that the bike could be ridden straight out of the box, simple to work on and maintain, but also easily upgradable over time. Despite the low price point, the Revo is packed full of great features like 25-9 gearing, tapered fork legs, and short/responsive pro-inspired geometry.

For a day at the beach or just cruising around town, the Sun Retro is your new best friend. A refresh on our classic cruiser design, the Retro stays true to the spirit of simplicity while adding modern design cues and our refined geometry for the perfect ride. - Classic Steel Frame & Fork: Designed for durability and timeless style - Perfect for smaller riders, this frame is offered in Step-Thru and Step-Over designs for added versatility and comfort - Relaxed Upright Geometry: Ensures a comfortable riding posture for leisurely rides - Mid-Rise Cruiser Handlebars: Allows for an easy, upright grip to reduce strain on wrists and shoulders - Comfortable Cruiser Saddle: Plush padding and springs for maximum comfort - Wide, Balloon-Style Tires: Provide a smooth and cushioned ride on pavement, boardwalks - Lightweight Alloy Rims: Rust-resistant and durable - Single-Speed Simplicity: Ideal for flat terrain, offering low-maintenance riding - Wide Pedals with Grip: Ensures a secure footing for smooth pedaling - Coaster Brake: Simple and reliable stopping power without cables or levers - Steel Chain Guard: Protects clothing from the chain - Alloy Kickstand: Sturdy and lightweight for convenient parking Weight: - Bike Weight: 31 Lbs. - Rider Weight Limit: 250 Lbs.

Let your cares drift away and the bike path cruise on by with Sun's Revolutions 24. This cool cruiser boasts a comfortable upright riding position and a classy retro look that'll make you the envy of the block. You'll love the easy-to-operate, low-maintenance one-speed drivetrain with the sure-stopping coaster brake, as well as the plush seat and wide bars that put you in the lap of luxury on all your rides.

Traction, control, confidence, and fun—the Riprock 20 Coaster is the perfect bike for your kid to start hitting the trails with. And with the simple coaster brake design, safety and fun aren't mutually exclusive anymore. While there are many notable features that make the Riprock awesome, it's the 2.3-inch tires that provide a high degree of, well, shred-ability—delivering exceptional traction, control, and confidence for riding rough, off-road sections and city streets alike. And when you combine the big tires with sturdy 20-inch wheels, an easy-to-use coaster brake that all but eliminates the threat of the dreaded endo, and a single-speed setup, you have the perfect mountain bike to get your little Ripper out on the trail. The A1 premium aluminum frame is lightweight and built to withstand the tough use by kids, while the geometry features an ultra-low standover that makes it easy for your little ones to fit on and grow with the bike. Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids. 20x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain.

The ultimate retro beach boardwalk cruiser, our Retro CB-26 Step-Over is designed with a comfortable upright riding position perfect for getting around town, exploring bikes paths, or even a trip to the beach. It's well-appointed with components meant to last, which also makes it an excellent choice for use at resorts and rental fleets. - Retro Cruiser high-tensile steel frame - Single-speed drivetrain - KT coaster brake - One-piece steel crank - Alloy rims with stainless steel spokes - 26" x 2.25" cruiser tires - Mid-rise steel cruiser handlebar - Sun Cruiser saddle - Steel chain guard - Steel kickstand

The ultimate retro beach boardwalk cruiser, our Retro CB-26 Step-Thru is designed with a comfortable upright riding position perfect for getting around town, exploring bikes paths, or even a trip to the beach. It's well-appointed with components meant to last, which also makes it an excellent choice for use at resorts and rental fleets. - Retro Cruiser high-tensile steel frame - Single-speed drivetrain - KT coaster brake - One-piece steel crank - Alloy rims with stainless steel spokes - 26" x 2.25" cruiser tires - Mid-rise steel cruiser handlebar - Sun Cruiser saddle - Steel chain guard - Steel kickstand

The June Series will steel your heart with its custom Tuesday frame engineered to withstand the elements of the beach, while ensuring a fun ride to every destination from the city to the sand. Key Features: - Comfort is Key: But on a Tuesday, so is style. That’s why we paired a set of Tuesday soft leatherette grips, that mold to your hands. Plus, a matching extra wide Tuesday comfort cruiser saddle. - Easy on, easy go: Our Geometry puts you in the perfect position for comfort, safety and enjoyment. And the Big Bend Cruiser handlebars keep you upright and easily in control.

We've upgraded the frame on the Dice 20" with a full alloy 6061-T6 frame, making it one of the very first full alloy freestyle bikes ever made. Everything on this bike was picked to ensure that this bike has the right equipment to make those first steps in BMX as enjoyable as possible. The Dice has specific geometry making it perfectly suited for the younger rider. The frame uses a shorter 20" toptube paired with a shorter 13.2" chainstay. Featuring 25-9 gearing and tapered forks, the Dice is one entry-level machine that packs a serious punch for a lightweight contender.

- Retro Cruiser high-tensile steel frame - 7-speed drivetrain - Linear-pull brakes - One-piece steel crank - Alloy rims with stainless steel spokes - 26" x 2.25" cruiser tires - Mid-rise steel cruiser handlebar - Sun Cruiser saddle - Steel chain guard - Steel kickstand - Frame Size: 18.5" - Frame Standover: 29.5" - Wheel Size: 26" - Gearing: 7-speed - Brakes: Linear Pull - Bike Weight: 36 lbs - Rider Weight Limit: 250 lbs

- Retro Cruiser high-tensile steel frame - 7-speed drivetrain - Linear-pull brakes - One-piece steel crank - Alloy rims with stainless steel spokes - 26" x 2.25" cruiser tires - Mid-rise steel cruiser handlebar - Sun Cruiser saddle - Steel chain guard - Steel kickstand - Frame Size: 16" - Frame Standover: 17.3" - Wheel Size: 26" - Gearing: 7-speed - Brakes: Linear Pull - Bike Weight: 36 lbs - Rider Weight Limit: 250 lbs

Let your cares drift away and the bike path cruise on by with Sun's Revolutions CB-26. This cool cruiser boasts a comfortable upright riding position and a classy retro look that'll make you the envy of the block. You'll love the easy-to-operate and low-maintenance one-speed drivetrain with the sure-stopping coaster brake, as well as the plush seat and wide bars that put you in the lap of luxury on all your rides.

Revolutions offers up the perfect mix of style and value to create a cruiser that's simple and fun to ride. An extra-long wheel base, super-wide tires, and upright riding position make the Revolutions comfortable, durable, and easy to ride, exactly what's needed for just cruising around. - Classic high-tensile steel frame - Single-speed coaster brake version also available in a 24" wheel for smaller riders - limited colors - One-piece steel crank - Alloy rims with stainless steel spokes - 26" x 2.50" cruiser tires - Mid-rise steel cruiser handlebar - Sun Cruiser saddle - Steel chain guard - Steel kickstand

Sun's Boardwalk cruiser boasts a sweet upright riding position, a plush seat and wide handlebars to make every cruise as comfortable and carefree as possible. Plus, it's got an aluminum frame and wheels for a wonderful ride. You'll also love the simple, low-maintenance one-speed, coaster-brake drivetrain.

Sun's 24-inch Boardwalk cruiser boasts a sweet upright riding position, a plush seat, and wide handlebars to make every ride as comfortable and carefree as possible. With an aluminum frame and wheelset, this simple, low-maintenance one-speed is built for everyday fun around town.

Sun's Boardwalk cruiser boasts a sweet upright riding position, a plush seat, and wide handlebars to make every cruise as comfortable and carefree as possible. Plus, it's got an aluminum frame and wheels for a wonderful ride. You'll also love the simple, low-maintenance one-speed, coaster-brake drivetrain.

Introducing the Drifter 7 ST, the perfect blend of style and affordability. With its rider-friendly Foot-Forward frame design and durable steel construction, this bike offers unmatched comfort and reliability. Whether you're cruising through the neighborhood or exploring scenic bike paths, the Drifter 7 ST is your trusty companion. And with its more economical component specs, it won't break the bank. - Hi-tensile steel Drifter frame with foot-forward riding position - Relaxed upright fit handlebar and stem - Sun Comfort coil spring cruiser saddle - Alloy crank with sealed cartridge bottom bracket - 7-Speed Shimano gearing with smooth twist shifter - Alloy Linear-Pull brakes - Internal cable routing - Double-wall alloy rims with stainless steel spokes - Extra wide 26" x 2.30 multi-condition tires - Full-length steel chain guard - Alloy kickstand - Frame & fork eyelets for a water bottle, rear rack, & fenders Weight: - Bike Weight: 36 Lbs. - Recommended Fit: 17.5" for riders 5'0" and taller / 19" for riders 5'4" and taller - Rider Weight Limit: 250 Lbs.

Introducing the Drifter 7 ST, the perfect blend of style and affordability. With its rider-friendly Foot-Forward frame design and durable steel construction, this bike offers unmatched comfort and reliability. Whether you're cruising through the neighborhood or exploring scenic bike paths, the Drifter 7 ST is your trusty companion. And with its more economical component specs, it won't break the bank. - Hi-tensile steel Drifter frame with foot-forward riding position - Relaxed upright fit handlebar and stem - Sun Comfort coil spring cruiser saddle - Alloy crank with sealed cartridge bottom bracket - 7-Speed Shimano gearing with smooth twist shifter - Alloy Linear-Pull brakes - Internal cable routing - Double-wall alloy rims with stainless steel spokes - Extra wide 26" x 2.30 multi-condition tires - Full-length steel chain guard - Alloy kickstand - Frame & fork eyelets for a water bottle, rear rack, & fenders Weight: - Bike Weight: 36 Lbs. - Recommended Fit: 17.5" for riders 5'0" and taller / 19" for riders 5'4" and taller - Rider Weight Limit: 250 Lbs.

The ultimate old school cruiser, our Boardwalk is designed with a comfortable upright riding position perfect for getting around town, exploring bike paths, or even a trip to the beach. It's lightweight and well-appointed with components meant to last, which also makes it an excellent choice for use at resorts and rental fleets. The Boardwalk is available as a single or seven-speed and comes in a variety of sizes and colors.

You'll have a blast cruising paved roads, bike paths, or maybe even a little dirt on Sun's RevMX. It's Klunker style frame with coil-sprung saddle and extra-wide handlebar will get you where you need to go in comfort and classic style. Single-speed simplicity and a hands-free coaster brake make this bad boy ridiculously easy to maintain, and knobby 27.5 x 2.4-inch tires provide stability and traction on varied terrain. When you arrive at your destination, the included sturdy steel kickstand will come in handy.

The Revolutions AL is the ideal choice for a day at the beach or just cruising around town. The aluminum frame weighs less than its steel counterpart and provides superior corrosion resistance. Single-speed gearing and a coaster brake make this bike fun to ride and a breeze to maintain. Contact points are covered in comfort from top to bottom with a high-rise cruiser handlebar, super-soft foam grips, a wide cruiser saddle. Ultra-plush 2.50" wide tires provide stability as well as soaking up the bumps.

The Revolutions AL is the ideal choice for a day at the beach or just cruising around town. The aluminum frame weighs less than its steel counterpart and provides superior corrosion resistance. Single-speed gearing and a coaster brake make this bike fun to ride and a breeze to maintain. Contact points are covered in comfort from top to bottom with a high-rise cruiser handlebar, super-soft foam grips, a wide cruiser saddle. Ultra-plush 2.50" wide tires provide stability as well as soaking up the bumps. - Lightweight custom-formed alloy frame - Single-speed gearing with KT coaster brake - 26" alloy rims with stainless steel spokes - 26 x 2.50" Sand Storm cruiser tires - 27.5" wide Sun Cruiser steel handlebar - Sun Cruiser saddle with elastomer springs - Steel chain guard - Steel kickstand