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BikeSize
ValueChina · Founded 2015

Joystar Bike Accessories

Joystar curates a kids-focused accessory line - bells, baskets, helmets, saddles, and toe-clip pedals - sold mostly under their sister brand DRBIKE. The selection mirrors what comes stock on Joystar bikes (basket + bell + decals) and is built to be a like-for-like replacement that fits 12"-20" kids bicycles.

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Joystar bells & horns

Confirm handlebar diameter (22.2 mm flat-bar / 23.8 mm drop / 31.8 mm oversized). Many bells use shims, rubber bands, or universal mounts to fit multiple diamet

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Joystar baskets

Match basket capacity to commute load (typically 7-25L). Confirm handlebar diameter compatibility (standard 22.2mm, 25.4mm, or 31.8mm). Check fork/rack clearanc

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Joystar helmets

Measure head circumference at the widest point across the forehead. Most brands size: XS (50-53 cm), S (53-56 cm), M (56-59 cm), L (59-62 cm), XL (62+ cm). Kids

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Joystar saddles

Saddle width should match sit-bone width plus 20-30 mm depending on riding posture and flexibility. Sit-bone width can be measured using a pressure mat or estim

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Joystar pedals

Adult pedals use a standard 9/16" thread. Children's bikes and some vintage bikes may use 1/2" threads. SPD pedals typically have a 2-bolt mountain cleat interf

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Joystar training wheels

Training wheels must match the rear wheel diameter of your child's bike - most kids bikes are 12, 14, 16, 18, or 20 inches. Measure across the tire if the size

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Joystar kickstands

Kickstands size by wheel diameter and weight rating, not bike size. Adult adjustable kickstands typically cover 24-29" (and 700c) wheels and clamp to the chains

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Joystar inner tubes

Inner tubes are sized by wheel diameter and a tire-width window, not by an exact match. Read the sidewall of your current tire - you'll see something like "700×

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Compare Joystar to other brands

Not sure if Joystar is right for you? Our head-to-head accessory comparisons put the top brands side by side - readers cross-shop Joystar with RoyalBaby, Schwinn, Diamondback, AVASTA and FIFTY-FIFTY.