SCOTT Spark RC World Cup Bike

The Scott Spark RC World Cup mountain bike is a 120mm-travel cross-country race platform built around the Spark RC Carbon HMF frame, with integrated suspension, a flex-pivot rear triangle, and adjustable head-angle geometry. The frame runs a BB92 bottom bracket, UDH derailleur interface, 12x148mm rear spacing, and a 55mm chainline, while the Syncros Cable Integration System routes everything internally through the cockpit.

Suspension comes from RockShox, pairing a SID Ultimate Flight Attendant fork (120mm travel, 15x110mm Maxle Stealth, 44mm offset, tapered steerer) with a SIDLuxe Ultimate Flight Attendant Custom shock (120mm travel, T165x45mm, Solo Air). The automatic electronic Flight Attendant system reads rider input in real time and cycles through Lockout, Pedal, and Descend modes without the rider needing to touch a lever. Shifting runs on SRAM X0 Eagle AXS Transmission, a 12-speed wireless drivetrain paired with an X0 Eagle Transmission crankset featuring a DUB spindle power meter (34T, 55mm chainline) and a 10-52 X0 Eagle XS 1295 cassette, controlled via the SRAM AXS Rocker Pod.

Braking duties fall to SRAM Motive Silver 4-piston calipers on HS2 CL rotors sized 180mm front and 160mm rear. The Syncros Silverton 1.0-30 CL carbon wheelset rolls on 30mm tubeless-ready rims laced 28H to Syncros hubs with an XD driver, wrapped in Maxxis Rekon Race 29x2.4" 120TPI foldable tires. The cockpit mixes a Syncros Fraser iC SL XC carbon bar (740mm width, -12° rise, 8° back sweep) with a Syncros Duncan 1.5XC dropper post (31.6mm, 100mm travel across all sizes) and a Belcarra V1.0 Cut Out saddle on carbon rails. For XC racers chasing World Cup-caliber lap times on courses that demand both climbing efficiency and descending confidence, this XL build delivers the travel and electronics to keep the pedals moving through every stage.