★ Veteran Owned ★
⚠️ Under Construction — Prices May Vary · info@sotocycles.com ⚠️
🚲 FREE Bike Fitting with new bike 🚚 $20 Local Delivery ⚡ Same-Day Minor Repairs 📦 FREE Ship over $3,500 💳 Financing from $41/mo with Affirm — 0% APR available
📍 Not all inventory is at our Essex St location. When placing an order, please confirm if the item is 🏪 In Store or in one of our 📦 Warehouses using the flag next to the item's quantity.
Shimano BB-UN300-K Bottom Bracket - English, 68 x 117.5mm Spindle, Square Taper JIS, For Chain Case
Shimano

Shimano BB-UN300-K Bottom Bracket - English, 68 x 117.5mm Spindle, Square Taper JIS, For Chain Case

MPN: EBBUN300KB17X · UPC: 192790619163

$18.00
In Stock — Ships in 4-9 Days
📦 Ships from Warehouse — 4-9 Business Days
Select Option: Shimano BB-UN300-K Bottom Bracket - English, 68 x 117.5mm Spindle, Square Taper JIS, For Chain Case
1
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
🔒 Secure Checkout
💳 Visa · MC · Amex · Apple Pay
📦 Free Ship $3,500+
🚚 Local Delivery $20

Shimano BB-UN300 Square Spindle Bottom Brackets

  • ✓ Fits JIS square-taper cranksets
  • ✓ Crankarm fixing bolts sold separately
  • ✓ Hollow spindle
  • ✓ For chain case
Bottom Bracket Shell I.D. 1.37
BB/Frame Interface English
BB Shell Width (mm) 68
Spindle Interface Type Square Taper JIS
Spindle Length 117.5
Defined Color Black
You Might Also Like

Related Products

In Stock
Wheels Manufacturing BBRight Thread-Together 30mm Bottom Bracket with ABEC-3 Bearings
Wheels Manufacturing
Wheels Manufacturing BBRight Thread-Together 30mm Bottom Bracket with ABEC-3 Bearings $138.00
In Stock
CeramicSpeed BB ALPHA Bottom Bracket - English/BSA, 73mm, For 24mm/Shimano Spindle, MTB, Black
CeramicSpeed
CeramicSpeed BB ALPHA Bottom Bracket - English/BSA, 73mm, For 24mm/Shimano Spindle, MTB, Black $449.00
In Stock
CeramicSpeed BB ALPHA Bottom Bracket - BB86, 86.5mm, For SRAM DUB Spindle, Gravel, Black
CeramicSpeed
CeramicSpeed BB ALPHA Bottom Bracket - BB86, 86.5mm, For SRAM DUB Spindle, Gravel, Black $449.00
In Stock
Wheels Manufacturing BB30 Bottom Bracket - DUB Spindle, ABEC-3 Bearing
Wheels Manufacturing
Wheels Manufacturing BB30 Bottom Bracket - DUB Spindle, ABEC-3 Bearing $56.00
In Stock
SRAM/Truvativ GXP 100mm Bottom Bracket English for Fat Bike
SRAM
SRAM/Truvativ GXP 100mm Bottom Bracket English for Fat Bike $45.00
In Stock
Full Speed Ahead BB86 Bottom Bracket Kit - BB86, For Full Speed Ahead Omega Cranksets w/ BB86 Frame, Stainless Steel Bearings
Full Speed Ahead
Full Speed Ahead BB86 Bottom Bracket Kit - BB86, For Full Speed Ahead Omega Cranksets w/ BB86 Frame, Stainless Steel Bearings $47.00
In Stock
Wheels Manufacturing BB30 to SRAM Bottom Bracket with ABEC-3 Bearings Black Cups
Wheels Manufacturing
Wheels Manufacturing BB30 to SRAM Bottom Bracket with ABEC-3 Bearings Black Cups $139.00
In Stock
CeramicSpeed BB ALPHA Bottom Bracket - PF30, 73mm, For 24mm/Shimano Spindle, MTB, Black
CeramicSpeed
CeramicSpeed BB ALPHA Bottom Bracket - PF30, 73mm, For 24mm/Shimano Spindle, MTB, Black $449.00
Customer Reviews

Reviews

No reviews yet. Be the first!

Write a Review

☆☆☆☆☆
Continue Browsing

Recently Viewed

Wolf Tooth Shimano 110 Asymmetric BCD Chainring - 40t, 110 Asymmetric BCD, 4-Bolt, Drop-Stop B, For Shimano GRX Cranks, Black
Wolf Tooth
Wolf Tooth Shimano 110 Asymmetric BCD Chainring - 40t, 110 Asymmetric BCD, 4-Bolt, Drop-Stop B, For Shimano GRX Cranks, Black
$89.95
Planet Bike Cascadia Fender Set - 29x65mm
Planet Bike
Planet Bike Cascadia Fender Set - 29x65mm
$84.99
Schwalbe Marathon Almotion Pro Tire - 700 x 40, Tubeless, Folding, Black/Reflex, Pro, V-Guard, Addix Race, E-50
Schwalbe
Schwalbe Marathon Almotion Pro Tire - 700 x 40, Tubeless, Folding, Black/Reflex, Pro, V-Guard, Addix Race, E-50
$84.63
Vittoria Air-Liner Protect Tubeless Insert - E-Bike, 27.5 x 2.4-2.6"
Vittoria
Vittoria Air-Liner Protect Tubeless Insert - E-Bike, 27.5 x 2.4-2.6"
$77.99
RockShox Reverb AXS Dropper Seatpost - 34.9mm, 200mm, Black, B1
RockShox
RockShox Reverb AXS Dropper Seatpost - 34.9mm, 200mm, Black, B1
$599.00
45NRTH Kahva Tire - 27.5 x 2.1, Tubeless, Folding, Tan, 60 TPI, 240 Concave Carbide Studs
45NRTH
45NRTH Kahva Tire - 27.5 x 2.1, Tubeless, Folding, Tan, 60 TPI, 240 Concave Carbide Studs
$145.00
Wolf Tooth Shimano 110 Asymmetric BCD Chainring - 46t, 110 Asymmetric BCD, 4-Bolt, Drop-Stop B, For Shimano GRX Cranks, Black
Wolf Tooth
Wolf Tooth Shimano 110 Asymmetric BCD Chainring - 46t, 110 Asymmetric BCD, 4-Bolt, Drop-Stop B, For Shimano GRX Cranks, Black
$94.95
Shimano BB-UN300-K Bottom Bracket - English, 68 x 117.5mm Spindle, Square Taper JIS, For Chain Case
$18.00
In Stock — Ships in 4-9 Days