Giro
Register II MIPS
Everyday adult helmet with MIPS and a simple dial fit.
Universal Adult, 54–61 cm
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Starter kit
Shop the starter kit
Size the bike here. Buy a complete adult bike at a shop. These Amazon links are accessories and kids bikes, not a recommended adult Amazon bike.
Accessories
Helmet, lights, lock, bottle, and a pant-leg strap — plus a taillight for daytime flash and night riding.
NiteRider
Swift 300
Compact USB headlight for commuting and dusk rides.
Handlebar mount, 300 lumens
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Kryptonite
Evolution Mini-7 with 4′ cable
Hardened U-lock plus a cable for wheels or a locked-together pair.
Fits most road, gravel, and hybrid frames
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CamelBak
Podium Chill 21 oz
Insulated squeeze bottle for everyday rides.
Fits a standard ~73 mm cage
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Green Guru
Narrow pant-leg strap
Upcycled inner-tube strap that keeps a pant leg off the chain.
Adjustable hook-and-loop, about 16 in long
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Cygolite
Hotrod 120 USB
Wide-beam USB taillight for daytime flash and night riding.
Seatpost or aero-post compatible mount
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Kids helmet and bikes
Match inseam to wheel size first, then confirm saddle height and brake reach on the exact bike.
Giro
Scamp MIPS II
Kids helmet with MIPS and a one-handed fit dial.
XS–S, typically 45–53 cm
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Strider
12 Sport balance bike
No-pedal 12-inch bike for learning balance before a pedal bike.
Inseam 12–18 in
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Retrospec
Koda Plus 16
Lightweight aluminum 16-inch kids bike with reach-adjustable brakes.
Inseam about 18–22 in, typically ages 4–6
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Retrospec
Koda Plus 20
Aluminum 20-inch kids bike with EasySafe V-brakes.
Inseam about 22–25 in, typically ages 6–8
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Why no adult bikes
Find the size here. Buy the bike at a shop.
We do not recommend complete adult bikes from Amazon. Use the calculator and brand charts to narrow a size, then buy the bike from a shop that can let you stand over the frame. Amazon is for the accessories and kids bikes on this page.
Affiliate disclosure
As an Amazon Associate we earn from qualifying purchases. We do not list prices. Check the Amazon listing for the current price and availability before you buy.