★ 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 122.5mm Spindle, Square Taper JIS, For Chain Case
Shimano

Shimano BB-UN300-K Bottom Bracket - English, 68 x 122.5mm Spindle, Square Taper JIS, For Chain Case

MPN: EBBUN300KB23XW · UPC: 192790619279

$19.00
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 122.5mm 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 122.5
Defined Color Black
You Might Also Like

Related Products

In Stock
Enduro Italian Bottom Bracket for DUB Spindles, Stainless Steel Angular Contact Bearings Black
Enduro
Enduro Italian Bottom Bracket for DUB Spindles, Stainless Steel Angular Contact Bearings Black $159.00
In Stock
Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118
Shimano
Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118 $23.00
In Stock
Wolf Tooth MK0 Bottom Bracket - English (BSA), 68/73mm, For 30mm Spindle, Shadow Gray
Wolf Tooth
Wolf Tooth MK0 Bottom Bracket - English (BSA), 68/73mm, For 30mm Spindle, Shadow Gray $309.95
In Stock
Full Speed Ahead BB-1000 MegaExo 19 Cartridge Sealed Bottom Bracket English
Full Speed Ahead
Full Speed Ahead BB-1000 MegaExo 19 Cartridge Sealed Bottom Bracket English $48.00
In Stock
CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit - For use with Campagnolo Ultra-Torque Bearing Cups, Road
CeramicSpeed
CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit - For use with Campagnolo Ultra-Torque Bearing Cups, Road $405.00
In Stock
Token BB29BSA Threaded Bottom Bracket - English, SRAM DUB, Black
Token
Token BB29BSA Threaded Bottom Bracket - English, SRAM DUB, Black $49.00
SRAM DUB Wide English Bottom Bracket - English/BSA, 68mm, Road, Black
SRAM
SRAM DUB Wide English Bottom Bracket - English/BSA, 68mm, Road, Black $45.00
Hope BSA Threaded Bottom Bracket - 100mm Fat Bike, For 24mm Spindle, Stainless, Black
Hope
Hope BSA Threaded Bottom Bracket - 100mm Fat Bike, For 24mm Spindle, Stainless, Black $152.50
Customer Reviews

Reviews

No reviews yet. Be the first!

Write a Review

☆☆☆☆☆
Continue Browsing

Recently Viewed

Shimano Tiagra FC-4703 10-Speed Chainring - 50t, Asymmetric 110 BCD, Black
Shimano
Shimano Tiagra FC-4703 10-Speed Chainring - 50t, Asymmetric 110 BCD, Black
$90.00
Shimano XT BR-M8100 Disc Brake Caliper - 2-Piston, Post-Mount, Metal Pads with Fins, Black
Shimano
Shimano XT BR-M8100 Disc Brake Caliper - 2-Piston, Post-Mount, Metal Pads with Fins, Black
$80.00
Gates Carbon Drive CDX CenterTrack Fin Line Front Belt Drive Ring - 50t, 5-Bolt,130mm BCD, Fin Tooth, Black
Gates Carbon Drive
Gates Carbon Drive CDX CenterTrack Fin Line Front Belt Drive Ring - 50t, 5-Bolt,130mm BCD, Fin Tooth, Black
$101.01
Shimano Deore XT BB-MT801 English Bottom Bracket - English (BSA), 68/73mm, Fits Hollowtech II Spindle, Black
Shimano
Shimano Deore XT BB-MT801 English Bottom Bracket - English (BSA), 68/73mm, Fits Hollowtech II Spindle, Black
$44.00
Shimano Revoshift SL-RV400-6R Twist Shifter - Right, 6-Speed, with Optical Gear Display
Shimano
Shimano Revoshift SL-RV400-6R Twist Shifter - Right, 6-Speed, with Optical Gear Display
$13.00
Shimano BB-UN300-K Bottom Bracket - English, 68 x 122.5mm Spindle, Square Taper JIS, For Chain Case
$19.00
In Stock — Ships in 4-9 Days