The Shimano BB-RS500 Hollowtech II Bottom Bracket is a premium, long-lasting bottom bracket made specifically for Shimano Hollowtech II cranksets. Perfect for upgrades or replacements, this bottom bracket offers smooth rotation and optimal performance. With a press-fit design, it fits securely into a BB86 standard shell with a width of 86mm and I.D. of 41mm. At only 73g, it's lightweight and finished in sleek black to match most bike frames. The Hollowtech II spindle provides a smooth power transfer, making it an efficient choice for any cyclist. Easy to install and maintain, the Shimano BB-RS500 is a great option for any rider looking to improve their bottom bracket setup.
Finding the right size bicycle is important for a comfortable and enjoyable ride. There are various frame sizes available that are designed to fit riders of different heights, as well as different wheel sizes and frame styles. To choose the best fit, you can look at the sizing and geometry chart provided by the manufacturer. This will show you the seat tube length and top tube length, which can affect the stand-over clearance and comfort of the bike. You want to aim for a comfortable position that isn't too cramped or stretched out. If you have any questions about finding the right size bike for you, our team of experts is always happy to help.
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Kids Bikes:
Child height (Inch)
Child height (cm)
Wheel size
2’9”-3’1″
85-90 cm cm
10/12 inches
3’1”-3’3″
90-100 cm
12/14 inches
3’3”-3’7″
100-110 cm
14/16 inches
3'7"-3'8"
110-115 cm
16/18 inches
3’8”-4’0″
115-120 cm
18/20 inches
4'0”-4’5″
120-135 cm
20/24 inches
4'5"-4'9"
135-145 cm
24/26 inches
5 inches+
145 cm +
26 inches
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Mountain Bikes:
Adult height (Inch)
Frame Size (Inches)
Frame size
4'10-5'2"
13 - 14"
X-Small
5'2-5'6"
15 - 16"
Small
5'6-5'10"
17 - 18"
Medium
5'10-6'1"
19 - 20"
Large
6'1-6'4"
21 - 22"
X-Large
6'4-6'6"
22 - 24"
XX-Large
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Road Bikes:
Adult height (Inch)
Frame Size (Inches)
Frame size
4'10-5'2"
47-48 cm
XX-Small
5'2-5'6"
49 - 50 cm
X-Small
5'3-5'6"
51 - 53 cm
Small
5'6-5'9"
54 - 55 cm
Medium
5'9-6'0"
56 - 58 cm
Large
6'0-6'3"
58 - 60 cm
X-Large
6'3-6'6"
61 - 63 cm
XX-Large
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