Select Your Ride

1
2
3

Wiseco Top End Bearing 15x19x20 KTM 125 SX 1998-2021 B1013

Part Number: B1013
WISECO
(No reviews yet) Write a Review
SKU:
B1013
MPN:
B1013
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.02 LBS
$25.95
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

The Wiseco B1013 top end bearing is engineered to handle the demands of high-RPM two-stroke performance, delivering reliability when your KTM 125 SX is pushed to its limits. Precision-manufactured with a case-hardened, high-silicon aluminum construction, this bearing maintains smooth operation under sustained engine speeds while resisting wear. Whether you're competing in motocross or hitting the track hard on weekends, a quality top end bearing is essential to prevent catastrophic engine failure and maintain consistent performance.

  • Fits: KTM 125 SX (1998-2021)
  • Bearing size: 15x19x20mm
  • Material: High-silicon aluminum alloy
  • Case-hardened construction
  • Precision-manufactured tolerances
  • Lightweight design
  • Suitable: Racing and recreational use
  • Bolt-on replacement
View AllClose

Specs

LENGTH METRIC:
19.8 MM
APPLICATION:
PISTON
MATERIAL:
SILICONE
OUTSIDE DIAMETER METRIC:
19 MM
RIDING STYLE:
ADVENTURE TOURING / DUAL-SPORT
INSIDE DIAMETER METRIC:
15 MM
PRODUCT NAME:
BEARING
RIDING STYLE:
OFF-ROAD
TYPE:
TOP END
UNITS:
EACH
MATERIAL:
ALUMINUM
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for Wiseco Top End Bearing 15x19x20 KTM 125 SX 1998-2021 B1013

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER