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🚲 FREE Basic Bike Fitting with every new bike — local pickup only 🚚 $20 Local Delivery within 5 miles of Andover ⚡ Same-Day Minor Repairs · Walk-Ins Welcome 📦 FREE Shipping on orders over $3,500 · Flat rate from $15
Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame
Shimano

Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame

MPN: ISMMAR203PSA · UPC: 689228108813

$14.00
In Stock — Ready to Ship
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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork.

  • For 74mm caliper on 51mm frame, using 203mm rotor
  • Includes mounting hardware
Brake Caliper Type Post Mount
Weight 21
Mount | Rotor Size Rear IS | 203 Rotor

Bike Size Guide

Size Rider Height Inseam
XS / 47-49cm 5'0" – 5'3" 27" – 29"
S / 51-52cm 5'3" – 5'6" 29" – 31"
M / 54-55cm 5'6" – 5'9" 31" – 33"
L / 56-58cm 5'9" – 6'0" 33" – 35"
XL / 59-61cm 6'0" – 6'3" 35" – 37"
💡 This is a general guide. SOTO Cycles offers FREE basic bike fitting with every new bike purchased and picked up locally — we'll make sure your bike fits perfectly.
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Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame
$14.00
In Stock — Ready to Ship